<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2020 Workiva-->
<!--r:63608dcc-e8e1-4813-a0eb-a91f6aa28cd3,g:a30d05cc-9e68-47e7-920a-705f0c59cc84-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.fnf.com/role/Cover" xlink:type="simple" xlink:href="fnf-20200331.xsd#Cover"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/Cover" xlink:type="extended" id="ib44ef1c29d45437cb006b26a7f52b7d4_Cover">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_e39df5a7-3da4-4719-8350-89355d16808c" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_DocumentType_e39df5a7-3da4-4719-8350-89355d16808c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_754c8821-2a52-483f-a43d-3c1396562e9e" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentQuarterlyReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_DocumentQuarterlyReport_754c8821-2a52-483f-a43d-3c1396562e9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_06718212-7d76-4817-9729-ba91a270366b" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_DocumentPeriodEndDate_06718212-7d76-4817-9729-ba91a270366b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_04cefa63-7146-4162-9163-0149b2fd03f4" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_DocumentTransitionReport_04cefa63-7146-4162-9163-0149b2fd03f4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_009226cb-a955-4135-96a5-1d5486cc0ef9" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityFileNumber_009226cb-a955-4135-96a5-1d5486cc0ef9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_7e2a6b01-4537-4557-a188-1f6450af5d7b" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityRegistrantName_7e2a6b01-4537-4557-a188-1f6450af5d7b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_713d8560-f423-400b-901a-4dce48814144" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityIncorporationStateCountryCode_713d8560-f423-400b-901a-4dce48814144" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_53aab103-6f17-4833-bda7-fe203f2c04d9" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityTaxIdentificationNumber_53aab103-6f17-4833-bda7-fe203f2c04d9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_2fda3c7b-0c25-441b-abbb-1d6a36268148" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityAddressAddressLine1_2fda3c7b-0c25-441b-abbb-1d6a36268148" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_110eb475-76ef-445e-a86b-7a3b4cd99b2c" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityAddressCityOrTown_110eb475-76ef-445e-a86b-7a3b4cd99b2c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_9d7e344e-829b-4760-8c76-7e505a11f5ad" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityAddressStateOrProvince_9d7e344e-829b-4760-8c76-7e505a11f5ad" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_c5bcb6bc-ad0a-4219-8b9e-e0a9b9bf5af1" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityAddressPostalZipCode_c5bcb6bc-ad0a-4219-8b9e-e0a9b9bf5af1" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_bd09a2a8-1aa8-4138-ba67-aa84fad24985" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_CityAreaCode_bd09a2a8-1aa8-4138-ba67-aa84fad24985" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_c5120485-cac0-4665-901d-5ee9a1903b32" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_LocalPhoneNumber_c5120485-cac0-4665-901d-5ee9a1903b32" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_42397c3b-7e17-4ae3-93a7-cb6136fd86fc" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_Security12bTitle_42397c3b-7e17-4ae3-93a7-cb6136fd86fc" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_a38551b9-330b-4fa3-be9d-e86a559d52de" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_TradingSymbol_a38551b9-330b-4fa3-be9d-e86a559d52de" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_66227342-e47a-4cfa-9a71-79d3f8b894df" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_SecurityExchangeName_66227342-e47a-4cfa-9a71-79d3f8b894df" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_49698f55-31f6-45e6-87a7-62be5046d9dc" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityCurrentReportingStatus_49698f55-31f6-45e6-87a7-62be5046d9dc" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_7c60e772-673f-4dec-92df-f43851e7e689" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityInteractiveDataCurrent_7c60e772-673f-4dec-92df-f43851e7e689" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_0f9f1751-4c24-447c-af5c-d1e6756ea80f" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityFilerCategory_0f9f1751-4c24-447c-af5c-d1e6756ea80f" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_1183bf4b-b21d-4e72-abbb-36e96e7afa3f" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntitySmallBusiness_1183bf4b-b21d-4e72-abbb-36e96e7afa3f" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_44c97cf8-70a0-4b9a-be26-72d76607fdeb" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityEmergingGrowthCompany_44c97cf8-70a0-4b9a-be26-72d76607fdeb" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_46934d4c-ac2a-4a8c-8238-61463d90c78d" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityShellCompany_46934d4c-ac2a-4a8c-8238-61463d90c78d" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_be1493f6-20ff-4115-b36c-f096224ae810" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_be1493f6-20ff-4115-b36c-f096224ae810" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_f9508558-7f1b-4974-a326-48a43bd724c5" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_AmendmentFlag_f9508558-7f1b-4974-a326-48a43bd724c5" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_7e8be655-4a11-4686-ab13-305995af00c7" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_DocumentFiscalYearFocus_7e8be655-4a11-4686-ab13-305995af00c7" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_ed8eb8de-4d6d-49ff-9f77-2f36d505b526" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_DocumentFiscalPeriodFocus_ed8eb8de-4d6d-49ff-9f77-2f36d505b526" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_44989bba-4911-4192-a67d-6bc6855a6032" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_EntityCentralIndexKey_44989bba-4911-4192-a67d-6bc6855a6032" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_2de18cb1-4382-499f-8a2e-c7fbbc9bc9c1" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_CurrentFiscalYearEndDate_2de18cb1-4382-499f-8a2e-c7fbbc9bc9c1" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_dd5029e8-0011-40e8-9b9a-62e2709a7209" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_5919eb30-7641-47bd-9adb-7f989d89843f" xlink:to="loc_dei_DocumentInformationTable_dd5029e8-0011-40e8-9b9a-62e2709a7209" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_890366bb-9816-45c7-b6af-e38912950c07" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_dd5029e8-0011-40e8-9b9a-62e2709a7209" xlink:to="loc_us-gaap_StatementClassOfStockAxis_890366bb-9816-45c7-b6af-e38912950c07" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_890366bb-9816-45c7-b6af-e38912950c07_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_890366bb-9816-45c7-b6af-e38912950c07" xlink:to="loc_us-gaap_ClassOfStockDomain_890366bb-9816-45c7-b6af-e38912950c07_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_6e4d1144-f21f-4f6a-bacd-545bc8a3637a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_890366bb-9816-45c7-b6af-e38912950c07" xlink:to="loc_us-gaap_ClassOfStockDomain_6e4d1144-f21f-4f6a-bacd-545bc8a3637a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_65a51b3a-7eb5-48b9-8ebf-7e78938da95c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6e4d1144-f21f-4f6a-bacd-545bc8a3637a" xlink:to="loc_us-gaap_CommonStockMember_65a51b3a-7eb5-48b9-8ebf-7e78938da95c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_FivePointFiveZeroPercentUnsecuredNotesDueSeptember2022Member_e7e7195b-a221-4a3b-8a96-5a7ba46e83b4" xlink:href="fnf-20200331.xsd#fnf_FivePointFiveZeroPercentUnsecuredNotesDueSeptember2022Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_6e4d1144-f21f-4f6a-bacd-545bc8a3637a" xlink:to="loc_fnf_FivePointFiveZeroPercentUnsecuredNotesDueSeptember2022Member_e7e7195b-a221-4a3b-8a96-5a7ba46e83b4" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="fnf-20200331.xsd#CONDENSEDCONSOLIDATEDBALANCESHEETS"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS" xlink:type="extended" id="iec9ca538b9b24318b7f5e6f0f7be5064_CONDENSEDCONSOLIDATEDBALANCESHEETS">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_12913532-343e-445e-89d5-39fc70700855" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_d9db2ed3-e685-481e-b1fc-63fb282660b7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_12913532-343e-445e-89d5-39fc70700855" xlink:to="loc_us-gaap_AssetsAbstract_d9db2ed3-e685-481e-b1fc-63fb282660b7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsAbstract_d6463739-0e01-4a15-a1b7-a0a2df78e948" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d9db2ed3-e685-481e-b1fc-63fb282660b7" xlink:to="loc_us-gaap_InvestmentsAbstract_d6463739-0e01-4a15-a1b7-a0a2df78e948" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_db70591f-9415-4dd2-9649-20f197b9e224" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAbstract_d6463739-0e01-4a15-a1b7-a0a2df78e948" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_db70591f-9415-4dd2-9649-20f197b9e224" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNi_0b1f6f48-ac13-456e-8a8e-818f6e680699" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNi"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAbstract_d6463739-0e01-4a15-a1b7-a0a2df78e948" xlink:to="loc_us-gaap_EquitySecuritiesFvNi_0b1f6f48-ac13-456e-8a8e-818f6e680699" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_a39cec67-ded1-48b7-8f34-b14523e095d3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAbstract_d6463739-0e01-4a15-a1b7-a0a2df78e948" xlink:to="loc_us-gaap_EquityMethodInvestments_a39cec67-ded1-48b7-8f34-b14523e095d3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermInvestments_88038679-15e0-4590-90eb-530999152f25" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLongTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAbstract_d6463739-0e01-4a15-a1b7-a0a2df78e948" xlink:to="loc_us-gaap_OtherLongTermInvestments_88038679-15e0-4590-90eb-530999152f25" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherShortTermInvestments_2d46ad3e-17cc-4c60-b10e-498cef0f9035" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherShortTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAbstract_d6463739-0e01-4a15-a1b7-a0a2df78e948" xlink:to="loc_us-gaap_OtherShortTermInvestments_2d46ad3e-17cc-4c60-b10e-498cef0f9035" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_0254e55e-5000-4126-b371-3349fb325b18" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Investments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentsAbstract_d6463739-0e01-4a15-a1b7-a0a2df78e948" xlink:to="loc_us-gaap_Investments_0254e55e-5000-4126-b371-3349fb325b18" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_2bd09a3b-c346-4b4e-9b8b-af9cb322cd8a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d9db2ed3-e685-481e-b1fc-63fb282660b7" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_2bd09a3b-c346-4b4e-9b8b-af9cb322cd8a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsAndNotesReceivableNet_2957976f-f7c2-4eee-8602-9037e62a9ed7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsAndNotesReceivableNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d9db2ed3-e685-481e-b1fc-63fb282660b7" xlink:to="loc_us-gaap_AccountsAndNotesReceivableNet_2957976f-f7c2-4eee-8602-9037e62a9ed7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_9051eef9-8a6f-4fac-a556-20ff94ccc113" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d9db2ed3-e685-481e-b1fc-63fb282660b7" xlink:to="loc_us-gaap_Goodwill_9051eef9-8a6f-4fac-a556-20ff94ccc113" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssets_d7ebe0a7-e848-4d36-8b5f-471d8b099a58" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d9db2ed3-e685-481e-b1fc-63fb282660b7" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssets_d7ebe0a7-e848-4d36-8b5f-471d8b099a58" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_9856e2b8-ecbf-4e19-919d-5521c15e5880" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d9db2ed3-e685-481e-b1fc-63fb282660b7" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_9856e2b8-ecbf-4e19-919d-5521c15e5880" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_IntangibleAssetsNetExcludingGoodwillandTitlePlants_d8a17599-b390-493b-b39b-6d39622a0c40" xlink:href="fnf-20200331.xsd#fnf_IntangibleAssetsNetExcludingGoodwillandTitlePlants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d9db2ed3-e685-481e-b1fc-63fb282660b7" xlink:to="loc_fnf_IntangibleAssetsNetExcludingGoodwillandTitlePlants_d8a17599-b390-493b-b39b-6d39622a0c40" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_IntangibleAssetsTitlePlants_38f9ce63-0889-42bc-ae35-620850f15f54" xlink:href="fnf-20200331.xsd#fnf_IntangibleAssetsTitlePlants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d9db2ed3-e685-481e-b1fc-63fb282660b7" xlink:to="loc_fnf_IntangibleAssetsTitlePlants_38f9ce63-0889-42bc-ae35-620850f15f54" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_167fd0fd-5012-4756-92cd-241798b4b5d2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d9db2ed3-e685-481e-b1fc-63fb282660b7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_167fd0fd-5012-4756-92cd-241798b4b5d2" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_cb880e75-0e55-4328-99c5-dd8ef4885be7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_d9db2ed3-e685-481e-b1fc-63fb282660b7" xlink:to="loc_us-gaap_Assets_cb880e75-0e55-4328-99c5-dd8ef4885be7" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_3740400d-c9dc-4e5d-8552-947aea66bd0c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_12913532-343e-445e-89d5-39fc70700855" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_3740400d-c9dc-4e5d-8552-947aea66bd0c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract_e848ae79-d9b2-463a-b6dc-9161ee84edc1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_3740400d-c9dc-4e5d-8552-947aea66bd0c" xlink:to="loc_us-gaap_LiabilitiesAbstract_e848ae79-d9b2-463a-b6dc-9161ee84edc1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_fbc11fcc-977a-4f46-885d-a8ae3ca41e2c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_e848ae79-d9b2-463a-b6dc-9161ee84edc1" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_fbc11fcc-977a-4f46-885d-a8ae3ca41e2c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_eaa9fdb9-6322-4c15-94cb-49af4831bc02" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_e848ae79-d9b2-463a-b6dc-9161ee84edc1" xlink:to="loc_us-gaap_LongTermDebt_eaa9fdb9-6322-4c15-94cb-49af4831bc02" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_a8104554-1bf2-4c6e-98bc-518729c77175" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_e848ae79-d9b2-463a-b6dc-9161ee84edc1" xlink:to="loc_us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_a8104554-1bf2-4c6e-98bc-518729c77175" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_ContractWithCustomerLiabilityCustomerDeposits_d90a7603-add6-460a-a2cc-c7d1e284c919" xlink:href="fnf-20200331.xsd#fnf_ContractWithCustomerLiabilityCustomerDeposits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_e848ae79-d9b2-463a-b6dc-9161ee84edc1" xlink:to="loc_fnf_ContractWithCustomerLiabilityCustomerDeposits_d90a7603-add6-460a-a2cc-c7d1e284c919" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_95d5aa86-2caf-4782-b22c-8290a540934d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_e848ae79-d9b2-463a-b6dc-9161ee84edc1" xlink:to="loc_us-gaap_OperatingLeaseLiability_95d5aa86-2caf-4782-b22c-8290a540934d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrentAndNoncurrent_4f26d930-be22-403f-ac93-005ef8a0eccc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxesPayableCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_e848ae79-d9b2-463a-b6dc-9161ee84edc1" xlink:to="loc_us-gaap_TaxesPayableCurrentAndNoncurrent_4f26d930-be22-403f-ac93-005ef8a0eccc" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_726588d4-4d85-461a-95e4-c31fd170b580" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_e848ae79-d9b2-463a-b6dc-9161ee84edc1" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_726588d4-4d85-461a-95e4-c31fd170b580" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_9438880a-676f-4288-a949-602b6b818d86" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_e848ae79-d9b2-463a-b6dc-9161ee84edc1" xlink:to="loc_us-gaap_Liabilities_9438880a-676f-4288-a949-602b6b818d86" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_d66ea479-29c5-460a-ba27-3662c4e3241b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_3740400d-c9dc-4e5d-8552-947aea66bd0c" xlink:to="loc_us-gaap_CommitmentsAndContingencies_d66ea479-29c5-460a-ba27-3662c4e3241b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_12b91ba4-d5c5-4d9e-bef9-575730a40c33" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_3740400d-c9dc-4e5d-8552-947aea66bd0c" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_12b91ba4-d5c5-4d9e-bef9-575730a40c33" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_a553294c-73ca-408d-b097-4b4fe85c347c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_3740400d-c9dc-4e5d-8552-947aea66bd0c" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_a553294c-73ca-408d-b097-4b4fe85c347c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_b317190f-e46e-423c-ae1f-da9ef3452c14" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_a553294c-73ca-408d-b097-4b4fe85c347c" xlink:to="loc_us-gaap_CommonStockValue_b317190f-e46e-423c-ae1f-da9ef3452c14" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_d2dae98f-4d13-4a8a-90a6-4058a4decaa4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_a553294c-73ca-408d-b097-4b4fe85c347c" xlink:to="loc_us-gaap_PreferredStockValue_d2dae98f-4d13-4a8a-90a6-4058a4decaa4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_410176a0-f627-4b95-b612-90be521c530e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_a553294c-73ca-408d-b097-4b4fe85c347c" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_410176a0-f627-4b95-b612-90be521c530e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_aac8f6ec-62f4-4f4c-ab94-0534c35a27d3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_a553294c-73ca-408d-b097-4b4fe85c347c" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_aac8f6ec-62f4-4f4c-ab94-0534c35a27d3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_b76c4246-1a1b-40f1-90c5-c7730bccd12f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_a553294c-73ca-408d-b097-4b4fe85c347c" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_b76c4246-1a1b-40f1-90c5-c7730bccd12f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_befd5765-293c-4285-98e1-6636b949fcea" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_a553294c-73ca-408d-b097-4b4fe85c347c" xlink:to="loc_us-gaap_TreasuryStockValue_befd5765-293c-4285-98e1-6636b949fcea" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_f6a708fa-9d4b-45fd-99e9-3d9d5d33653c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_a553294c-73ca-408d-b097-4b4fe85c347c" xlink:to="loc_us-gaap_StockholdersEquity_f6a708fa-9d4b-45fd-99e9-3d9d5d33653c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_203dec8c-da91-4ee7-b3f1-65fc4587a73f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_a553294c-73ca-408d-b097-4b4fe85c347c" xlink:to="loc_us-gaap_MinorityInterest_203dec8c-da91-4ee7-b3f1-65fc4587a73f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_8db76cfc-30f5-4da5-a675-052103dc5bd3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_a553294c-73ca-408d-b097-4b4fe85c347c" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_8db76cfc-30f5-4da5-a675-052103dc5bd3" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_344d5cb6-fc78-4ee9-bae9-0e33aad90e0d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_3740400d-c9dc-4e5d-8552-947aea66bd0c" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_344d5cb6-fc78-4ee9-bae9-0e33aad90e0d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_1b1022ba-6688-474a-b3ea-f24d5fef8dac" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_12913532-343e-445e-89d5-39fc70700855" xlink:to="loc_us-gaap_StatementTable_1b1022ba-6688-474a-b3ea-f24d5fef8dac" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_54144416-03b6-4be3-aa3e-143eec9bcef8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_1b1022ba-6688-474a-b3ea-f24d5fef8dac" xlink:to="loc_us-gaap_FinancialInstrumentAxis_54144416-03b6-4be3-aa3e-143eec9bcef8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_54144416-03b6-4be3-aa3e-143eec9bcef8_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_54144416-03b6-4be3-aa3e-143eec9bcef8" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_54144416-03b6-4be3-aa3e-143eec9bcef8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_7bfe00f4-0e6b-410a-82a2-5843882e8e5f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_54144416-03b6-4be3-aa3e-143eec9bcef8" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_7bfe00f4-0e6b-410a-82a2-5843882e8e5f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockMember_b6bca9e2-0f0b-401c-907e-23064c32504b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_7bfe00f4-0e6b-410a-82a2-5843882e8e5f" xlink:to="loc_us-gaap_PreferredStockMember_b6bca9e2-0f0b-401c-907e-23064c32504b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_512428d2-b63a-43de-960c-57611236382b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_7bfe00f4-0e6b-410a-82a2-5843882e8e5f" xlink:to="loc_us-gaap_CommonStockMember_512428d2-b63a-43de-960c-57611236382b" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="simple" xlink:href="fnf-20200331.xsd#CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="extended" id="i0d0ddc4ce30f434b85cc4c2697cab5fe_CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss_6ef3b4d3-04a2-4388-93ba-3104571a9399" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss_6ef3b4d3-04a2-4388-93ba-3104571a9399" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_AvailableforsaleSecuritiesPledgedCustomerAdvancesAndDeposits_e3622e3a-dc30-488f-8730-814b8df9ac1b" xlink:href="fnf-20200331.xsd#fnf_AvailableforsaleSecuritiesPledgedCustomerAdvancesAndDeposits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_fnf_AvailableforsaleSecuritiesPledgedCustomerAdvancesAndDeposits_e3622e3a-dc30-488f-8730-814b8df9ac1b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_OtherShorttermInvestmentsPledgedCustomerAdvancesandDeposits_f2a224f2-b301-4d3a-8831-91f101e1b07d" xlink:href="fnf-20200331.xsd#fnf_OtherShorttermInvestmentsPledgedCustomerAdvancesandDeposits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_fnf_OtherShorttermInvestmentsPledgedCustomerAdvancesandDeposits_f2a224f2-b301-4d3a-8831-91f101e1b07d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_CashPledgedCustomerAdvancesAndDeposits_e1bc8873-acb5-4dd9-bae1-b8c285bd4ffc" xlink:href="fnf-20200331.xsd#fnf_CashPledgedCustomerAdvancesAndDeposits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_fnf_CashPledgedCustomerAdvancesAndDeposits_e1bc8873-acb5-4dd9-bae1-b8c285bd4ffc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables_fc32ba2e-469e-4bae-b870-5910798b2888" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables_fc32ba2e-469e-4bae-b870-5910798b2888" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_bd2b4aae-cea6-42a4-a088-27c1886465a5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_bd2b4aae-cea6-42a4-a088-27c1886465a5" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_6154f2d8-d9fc-4ed2-8d98-399612e753b1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_6154f2d8-d9fc-4ed2-8d98-399612e753b1" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_87fbba4a-af15-48db-8511-8f3be57c8b67" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_87fbba4a-af15-48db-8511-8f3be57c8b67" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_9002ac8c-6023-4f87-9abc-9e409d82a5ee" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_9002ac8c-6023-4f87-9abc-9e409d82a5ee" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_ff06826b-82ea-41d2-9afc-41504edb620b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_CommonStockSharesIssued_ff06826b-82ea-41d2-9afc-41504edb620b" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_4414b862-f53f-41b9-99d7-994cd50ae2ac" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_4414b862-f53f-41b9-99d7-994cd50ae2ac" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_eadf57cd-e755-45ef-b27b-ef4cc8f762c6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_eadf57cd-e755-45ef-b27b-ef4cc8f762c6" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_6106aee2-ca5a-4776-81b0-ec28f0997b18" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_PreferredStockSharesIssued_6106aee2-ca5a-4776-81b0-ec28f0997b18" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_9828097b-766b-4c64-a4d9-0d35480ded36" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_9828097b-766b-4c64-a4d9-0d35480ded36" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockShares_f27957b7-5737-4b9e-8bff-cd2f0f11d916" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_TreasuryStockShares_f27957b7-5737-4b9e-8bff-cd2f0f11d916" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_368b1be4-c8e4-4a28-831d-b518e098a87d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_bb5d2393-1a1f-48bf-85dd-5912f8dab56c" xlink:to="loc_us-gaap_StatementTable_368b1be4-c8e4-4a28-831d-b518e098a87d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_543830fe-b25e-4c61-9af7-e2ccd714f5bb" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_368b1be4-c8e4-4a28-831d-b518e098a87d" xlink:to="loc_srt_OwnershipAxis_543830fe-b25e-4c61-9af7-e2ccd714f5bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_543830fe-b25e-4c61-9af7-e2ccd714f5bb_default" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_543830fe-b25e-4c61-9af7-e2ccd714f5bb" xlink:to="loc_srt_OwnershipDomain_543830fe-b25e-4c61-9af7-e2ccd714f5bb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_21373c67-2741-459d-90ff-65ac06a14760" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_543830fe-b25e-4c61-9af7-e2ccd714f5bb" xlink:to="loc_srt_OwnershipDomain_21373c67-2741-459d-90ff-65ac06a14760" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_ServiceLinkHoldingsLLCMember_db067451-fd82-49ce-bf22-897791fbb0ab" xlink:href="fnf-20200331.xsd#fnf_ServiceLinkHoldingsLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_21373c67-2741-459d-90ff-65ac06a14760" xlink:to="loc_fnf_ServiceLinkHoldingsLLCMember_db067451-fd82-49ce-bf22-897791fbb0ab" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFEARNINGS" xlink:type="simple" xlink:href="fnf-20200331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFEARNINGS"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFEARNINGS" xlink:type="extended" id="i7c28d5776b484df5bb9575a23df82fc8_CONDENSEDCONSOLIDATEDSTATEMENTSOFEARNINGS"/>
  <link:roleRef roleURI="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGS" xlink:type="simple" xlink:href="fnf-20200331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGS"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGS" xlink:type="extended" id="i7bc819cbed174c129f8b0cdf1fdf6cb7_CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGS"/>
  <link:roleRef roleURI="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGSParenthetical" xlink:type="simple" xlink:href="fnf-20200331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGSParenthetical"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGSParenthetical" xlink:type="extended" id="ia3eb4f72463541d3a1d7274d376b6b19_CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEEARNINGSParenthetical"/>
  <link:roleRef roleURI="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDSTATEMENTOFEQUITY" xlink:type="simple" xlink:href="fnf-20200331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTOFEQUITY"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDSTATEMENTOFEQUITY" xlink:type="extended" id="i6b9cb3ab304e4a86bcb7ba5c84c5b7e3_CONDENSEDCONSOLIDATEDSTATEMENTOFEQUITY">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_5e44d6a9-d44a-444d-8336-641d49d66eb4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e44d6a9-d44a-444d-8336-641d49d66eb4" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_7b402d4f-ead5-4bbe-bb09-a9657ae3b494" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_SharesIssued_7b402d4f-ead5-4bbe-bb09-a9657ae3b494" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_5e9d8920-d7b7-4218-a194-363f85451983" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_5e9d8920-d7b7-4218-a194-363f85451983" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_0fd52673-fc92-42b9-9cc8-90a21781e56b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_0fd52673-fc92-42b9-9cc8-90a21781e56b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_37b81506-c0ac-4cee-92f4-62b5a3a356ad" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_37b81506-c0ac-4cee-92f4-62b5a3a356ad" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_ab7f0990-2731-4ab9-a6d4-ac3c26474cac" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_ab7f0990-2731-4ab9-a6d4-ac3c26474cac" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_29b8140d-6301-4762-9af1-06a210b9b4bc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_29b8140d-6301-4762-9af1-06a210b9b4bc" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_a7c3b718-1d96-4913-8def-c7cb7053377d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_a7c3b718-1d96-4913-8def-c7cb7053377d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_OtherComprehensiveIncomeLossUnrealizedHoldingGainLossOnEquityMethodInvestmentsArisingDuringPeriodNetOfTax_805492a7-3f9e-4d97-af52-60d38a3e18d0" xlink:href="fnf-20200331.xsd#fnf_OtherComprehensiveIncomeLossUnrealizedHoldingGainLossOnEquityMethodInvestmentsArisingDuringPeriodNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_fnf_OtherComprehensiveIncomeLossUnrealizedHoldingGainLossOnEquityMethodInvestmentsArisingDuringPeriodNetOfTax_805492a7-3f9e-4d97-af52-60d38a3e18d0" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_c903e6dd-effb-4c7f-9aa1-499aa636e1eb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_c903e6dd-effb-4c7f-9aa1-499aa636e1eb" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax_c28252b7-fccc-42d2-af81-e28815ba60e1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax_c28252b7-fccc-42d2-af81-e28815ba60e1" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_1c0c1157-5137-4102-842c-e4e30911c130" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_1c0c1157-5137-4102-842c-e4e30911c130" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_b5e56272-5919-4b2b-abc1-2e1350dc33e9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsCommonStockCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_DividendsCommonStockCash_b5e56272-5919-4b2b-abc1-2e1350dc33e9" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_ffa038e6-dfb3-4c08-bb4e-5b2d3f4ec77c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_ffa038e6-dfb3-4c08-bb4e-5b2d3f4ec77c" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_db581cbc-25da-4c6c-a6e6-4404be845570" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_f3d85034-50a5-473f-b704-18eca6514512" xlink:to="loc_us-gaap_ProfitLoss_db581cbc-25da-4c6c-a6e6-4404be845570" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssued_5e4d4dd4-36e5-44d2-9b1a-88ea23feab19" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharesIssued"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_a6868d54-1a1e-4884-98cf-e4b4a479d0a1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_1c1372f2-3541-41fc-81ea-3ecdbe0241d8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInTemporaryEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_5e44d6a9-d44a-444d-8336-641d49d66eb4" xlink:to="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_1c1372f2-3541-41fc-81ea-3ecdbe0241d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_94481bbc-8290-4974-8973-014b070105aa" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_1c1372f2-3541-41fc-81ea-3ecdbe0241d8" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_94481bbc-8290-4974-8973-014b070105aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_cdc8e351-2b54-4288-ac27-8b612d429442" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_4dc99dd1-67ae-45af-bf12-91e446b5cb6b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_5e44d6a9-d44a-444d-8336-641d49d66eb4" xlink:to="loc_us-gaap_StatementTable_4dc99dd1-67ae-45af-bf12-91e446b5cb6b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_fd82ff54-3c67-42f5-a545-3025d5317b55" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_4dc99dd1-67ae-45af-bf12-91e446b5cb6b" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_fd82ff54-3c67-42f5-a545-3025d5317b55" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_fd82ff54-3c67-42f5-a545-3025d5317b55_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_fd82ff54-3c67-42f5-a545-3025d5317b55" xlink:to="loc_us-gaap_EquityComponentDomain_fd82ff54-3c67-42f5-a545-3025d5317b55_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_7b90c8b8-5611-41e6-bd4a-8523eaa9c6a3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_fd82ff54-3c67-42f5-a545-3025d5317b55" xlink:to="loc_us-gaap_EquityComponentDomain_7b90c8b8-5611-41e6-bd4a-8523eaa9c6a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_97a35bd3-0628-424f-afba-60a18812dc5a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7b90c8b8-5611-41e6-bd4a-8523eaa9c6a3" xlink:to="loc_us-gaap_CommonStockMember_97a35bd3-0628-424f-afba-60a18812dc5a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_c41e7d3f-ad2e-4c28-a54f-1a5a6e750574" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7b90c8b8-5611-41e6-bd4a-8523eaa9c6a3" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_c41e7d3f-ad2e-4c28-a54f-1a5a6e750574" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_0412057f-cef6-4df4-ab06-adcb5003bac8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7b90c8b8-5611-41e6-bd4a-8523eaa9c6a3" xlink:to="loc_us-gaap_RetainedEarningsMember_0412057f-cef6-4df4-ab06-adcb5003bac8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_f390f9f1-46b5-4c02-8945-5b1f3dab2574" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7b90c8b8-5611-41e6-bd4a-8523eaa9c6a3" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_f390f9f1-46b5-4c02-8945-5b1f3dab2574" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockMember_84d517b7-85de-4073-9357-2a8095c7e26c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7b90c8b8-5611-41e6-bd4a-8523eaa9c6a3" xlink:to="loc_us-gaap_TreasuryStockMember_84d517b7-85de-4073-9357-2a8095c7e26c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_ef63089a-d00b-4221-a65e-886df7ea4726" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7b90c8b8-5611-41e6-bd4a-8523eaa9c6a3" xlink:to="loc_us-gaap_NoncontrollingInterestMember_ef63089a-d00b-4221-a65e-886df7ea4726" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_e91fe7ba-9c61-4511-bbde-8cd0bba01f96" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_4dc99dd1-67ae-45af-bf12-91e446b5cb6b" xlink:to="loc_us-gaap_StatementClassOfStockAxis_e91fe7ba-9c61-4511-bbde-8cd0bba01f96" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_e91fe7ba-9c61-4511-bbde-8cd0bba01f96_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_e91fe7ba-9c61-4511-bbde-8cd0bba01f96" xlink:to="loc_us-gaap_ClassOfStockDomain_e91fe7ba-9c61-4511-bbde-8cd0bba01f96_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_9cc44e60-4043-473f-80f4-f4acd6ef5d11" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_e91fe7ba-9c61-4511-bbde-8cd0bba01f96" xlink:to="loc_us-gaap_ClassOfStockDomain_9cc44e60-4043-473f-80f4-f4acd6ef5d11" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_FidelityNationalFinancialGroupCommonStockMember_b3f64126-4a18-420b-8f85-6d8856a30606" xlink:href="fnf-20200331.xsd#fnf_FidelityNationalFinancialGroupCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_9cc44e60-4043-473f-80f4-f4acd6ef5d11" xlink:to="loc_fnf_FidelityNationalFinancialGroupCommonStockMember_b3f64126-4a18-420b-8f85-6d8856a30606" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDSTATEMENTOFEQUITYParenthetical" xlink:type="simple" xlink:href="fnf-20200331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTOFEQUITYParenthetical"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDSTATEMENTOFEQUITYParenthetical" xlink:type="extended" id="if88b71f460c142d8abb522629f501b1a_CONDENSEDCONSOLIDATEDSTATEMENTOFEQUITYParenthetical"/>
  <link:roleRef roleURI="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="fnf-20200331.xsd#CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended" id="i9825bbf7126f4dc59dd29077d69277d1_CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:roleRef roleURI="http://www.fnf.com/role/BasisofFinancialStatements" xlink:type="simple" xlink:href="fnf-20200331.xsd#BasisofFinancialStatements"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/BasisofFinancialStatements" xlink:type="extended" id="i544de34181ea4fdb9dd4597634072bc3_BasisofFinancialStatements"/>
  <link:roleRef roleURI="http://www.fnf.com/role/BasisofFinancialStatementsPolicies" xlink:type="simple" xlink:href="fnf-20200331.xsd#BasisofFinancialStatementsPolicies"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/BasisofFinancialStatementsPolicies" xlink:type="extended" id="ib570bf5605a1458e9fed64463f4b5f7b_BasisofFinancialStatementsPolicies"/>
  <link:roleRef roleURI="http://www.fnf.com/role/BasisofFinancialStatementsRecentDevelopmentsDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#BasisofFinancialStatementsRecentDevelopmentsDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/BasisofFinancialStatementsRecentDevelopmentsDetails" xlink:type="extended" id="i4c194c4b10494f1e9af1d225f9a208d7_BasisofFinancialStatementsRecentDevelopmentsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_65e9031d-5a03-47ea-99a4-0ba6c39f9b60" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableCashPaidPerAcquireeShare_fab7c56d-7c13-4d9c-9f32-0819db608b26" xlink:href="fnf-20200331.xsd#fnf_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableCashPaidPerAcquireeShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_65e9031d-5a03-47ea-99a4-0ba6c39f9b60" xlink:to="loc_fnf_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableCashPaidPerAcquireeShare_fab7c56d-7c13-4d9c-9f32-0819db608b26" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_BusinessCombinationStockConsiderationCommonStockReceivedPerCommonStockSharesOwned_1160e8f7-b441-4fb7-a7f4-02a0b4b7e556" xlink:href="fnf-20200331.xsd#fnf_BusinessCombinationStockConsiderationCommonStockReceivedPerCommonStockSharesOwned"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_65e9031d-5a03-47ea-99a4-0ba6c39f9b60" xlink:to="loc_fnf_BusinessCombinationStockConsiderationCommonStockReceivedPerCommonStockSharesOwned_1160e8f7-b441-4fb7-a7f4-02a0b4b7e556" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_fb5ea4b7-0369-4a2e-a916-6f8801fd3c38" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_65e9031d-5a03-47ea-99a4-0ba6c39f9b60" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_fb5ea4b7-0369-4a2e-a916-6f8801fd3c38" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_dd43cc17-78a4-443e-a47e-0f9ff2230a89" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_65e9031d-5a03-47ea-99a4-0ba6c39f9b60" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_dd43cc17-78a4-443e-a47e-0f9ff2230a89" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_DebtInstrumentFloorInterestRate_e66bc607-befd-4787-a7ae-1ac718283fa1" xlink:href="fnf-20200331.xsd#fnf_DebtInstrumentFloorInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_65e9031d-5a03-47ea-99a4-0ba6c39f9b60" xlink:to="loc_fnf_DebtInstrumentFloorInterestRate_e66bc607-befd-4787-a7ae-1ac718283fa1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_21e97a95-11fc-4206-a89e-58186511431b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_65e9031d-5a03-47ea-99a4-0ba6c39f9b60" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_21e97a95-11fc-4206-a89e-58186511431b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_bcb3799c-6f2b-48c6-840d-20d89a0106d1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_21e97a95-11fc-4206-a89e-58186511431b" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_bcb3799c-6f2b-48c6-840d-20d89a0106d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_bcb3799c-6f2b-48c6-840d-20d89a0106d1_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_bcb3799c-6f2b-48c6-840d-20d89a0106d1" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_bcb3799c-6f2b-48c6-840d-20d89a0106d1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0b0e31e7-0f16-498e-96e2-032be3e25864" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_bcb3799c-6f2b-48c6-840d-20d89a0106d1" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0b0e31e7-0f16-498e-96e2-032be3e25864" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_FGLHoldingsMember_23146a07-d74a-406f-b7da-7e9e473508ae" xlink:href="fnf-20200331.xsd#fnf_FGLHoldingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0b0e31e7-0f16-498e-96e2-032be3e25864" xlink:to="loc_fnf_FGLHoldingsMember_23146a07-d74a-406f-b7da-7e9e473508ae" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_682a9885-3c7c-4ceb-a349-eea3c482a8a6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_21e97a95-11fc-4206-a89e-58186511431b" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_682a9885-3c7c-4ceb-a349-eea3c482a8a6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_682a9885-3c7c-4ceb-a349-eea3c482a8a6_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_682a9885-3c7c-4ceb-a349-eea3c482a8a6" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_682a9885-3c7c-4ceb-a349-eea3c482a8a6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_62c211f5-164d-48b5-bfea-9933e9242266" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_682a9885-3c7c-4ceb-a349-eea3c482a8a6" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_62c211f5-164d-48b5-bfea-9933e9242266" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_a0c18b33-a511-4335-8838-f4a8916bceb1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_62c211f5-164d-48b5-bfea-9933e9242266" xlink:to="loc_us-gaap_SubsequentEventMember_a0c18b33-a511-4335-8838-f4a8916bceb1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_03846bb2-26e9-49b8-b0f7-2088ca5d1c7e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_21e97a95-11fc-4206-a89e-58186511431b" xlink:to="loc_us-gaap_DebtInstrumentAxis_03846bb2-26e9-49b8-b0f7-2088ca5d1c7e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_03846bb2-26e9-49b8-b0f7-2088ca5d1c7e_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_03846bb2-26e9-49b8-b0f7-2088ca5d1c7e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_03846bb2-26e9-49b8-b0f7-2088ca5d1c7e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_91493329-02ff-4d4a-8c7a-147ef3eb142a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_03846bb2-26e9-49b8-b0f7-2088ca5d1c7e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_91493329-02ff-4d4a-8c7a-147ef3eb142a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_TermLoanCreditAgreementMember_3719753b-876f-4e68-97e7-fcd3b9a4128d" xlink:href="fnf-20200331.xsd#fnf_TermLoanCreditAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_91493329-02ff-4d4a-8c7a-147ef3eb142a" xlink:to="loc_fnf_TermLoanCreditAgreementMember_3719753b-876f-4e68-97e7-fcd3b9a4128d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_31012ef7-4814-44ee-b674-f356d748a162" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_21e97a95-11fc-4206-a89e-58186511431b" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_31012ef7-4814-44ee-b674-f356d748a162" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_31012ef7-4814-44ee-b674-f356d748a162_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_31012ef7-4814-44ee-b674-f356d748a162" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_31012ef7-4814-44ee-b674-f356d748a162_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_a6141576-cad9-4981-8ebe-023850f5a063" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_31012ef7-4814-44ee-b674-f356d748a162" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_a6141576-cad9-4981-8ebe-023850f5a063" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_TermLoanMember_ea546680-715d-4442-82e3-7e6d1e55b6a7" xlink:href="fnf-20200331.xsd#fnf_TermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_a6141576-cad9-4981-8ebe-023850f5a063" xlink:to="loc_fnf_TermLoanMember_ea546680-715d-4442-82e3-7e6d1e55b6a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_673fd5d9-9615-4bfe-81b7-025332112050" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_21e97a95-11fc-4206-a89e-58186511431b" xlink:to="loc_us-gaap_VariableRateAxis_673fd5d9-9615-4bfe-81b7-025332112050" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_673fd5d9-9615-4bfe-81b7-025332112050_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_673fd5d9-9615-4bfe-81b7-025332112050" xlink:to="loc_us-gaap_VariableRateDomain_673fd5d9-9615-4bfe-81b7-025332112050_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_c4a4af8c-1bc7-4eaf-8cdc-ecd22011e247" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_673fd5d9-9615-4bfe-81b7-025332112050" xlink:to="loc_us-gaap_VariableRateDomain_c4a4af8c-1bc7-4eaf-8cdc-ecd22011e247" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalFundsEffectiveSwapRateMember_af741475-302a-4e26-9367-52f2206c4022" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FederalFundsEffectiveSwapRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_c4a4af8c-1bc7-4eaf-8cdc-ecd22011e247" xlink:to="loc_us-gaap_FederalFundsEffectiveSwapRateMember_af741475-302a-4e26-9367-52f2206c4022" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_3c09e350-1cc4-4f44-b062-bd41c622b765" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_c4a4af8c-1bc7-4eaf-8cdc-ecd22011e247" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_3c09e350-1cc4-4f44-b062-bd41c622b765" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_63cbead8-d01b-4c13-9cf4-020fc992025a" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_21e97a95-11fc-4206-a89e-58186511431b" xlink:to="loc_srt_RangeAxis_63cbead8-d01b-4c13-9cf4-020fc992025a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_63cbead8-d01b-4c13-9cf4-020fc992025a_default" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_63cbead8-d01b-4c13-9cf4-020fc992025a" xlink:to="loc_srt_RangeMember_63cbead8-d01b-4c13-9cf4-020fc992025a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_17eaeb58-e5c5-4c77-bc81-ae8cbb8512c0" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_63cbead8-d01b-4c13-9cf4-020fc992025a" xlink:to="loc_srt_RangeMember_17eaeb58-e5c5-4c77-bc81-ae8cbb8512c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_b091a66f-bfdf-42f7-ac2a-24d24fb0959d" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_17eaeb58-e5c5-4c77-bc81-ae8cbb8512c0" xlink:to="loc_srt_MinimumMember_b091a66f-bfdf-42f7-ac2a-24d24fb0959d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_e7c37289-1782-4914-9d85-af675eda20ca" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_17eaeb58-e5c5-4c77-bc81-ae8cbb8512c0" xlink:to="loc_srt_MaximumMember_e7c37289-1782-4914-9d85-af675eda20ca" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/BasisofFinancialStatementsIncomeTaxDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#BasisofFinancialStatementsIncomeTaxDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/BasisofFinancialStatementsIncomeTaxDetails" xlink:type="extended" id="ib9b89a06561d4213b969d9bd351a5f85_BasisofFinancialStatementsIncomeTaxDetails"/>
  <link:roleRef roleURI="http://www.fnf.com/role/BasisofFinancialStatementsEarningsPerShareDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#BasisofFinancialStatementsEarningsPerShareDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/BasisofFinancialStatementsEarningsPerShareDetails" xlink:type="extended" id="i52f97b53f5fe400f83e664216a043e5b_BasisofFinancialStatementsEarningsPerShareDetails"/>
  <link:roleRef roleURI="http://www.fnf.com/role/SummaryofReserveforClaimsLosses" xlink:type="simple" xlink:href="fnf-20200331.xsd#SummaryofReserveforClaimsLosses"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/SummaryofReserveforClaimsLosses" xlink:type="extended" id="i34064c3af99243f6ade9824494fe7122_SummaryofReserveforClaimsLosses"/>
  <link:roleRef roleURI="http://www.fnf.com/role/SummaryofReserveforClaimLossesTables" xlink:type="simple" xlink:href="fnf-20200331.xsd#SummaryofReserveforClaimLossesTables"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/SummaryofReserveforClaimLossesTables" xlink:type="extended" id="i770f69ec84c24b0b9ba9d9d3edf5e142_SummaryofReserveforClaimLossesTables"/>
  <link:roleRef roleURI="http://www.fnf.com/role/SummaryofReserveforClaimLossesSummaryofReserveClaimsDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#SummaryofReserveforClaimLossesSummaryofReserveClaimsDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/SummaryofReserveforClaimLossesSummaryofReserveClaimsDetails" xlink:type="extended" id="iaa2720ed921e4622a3d5cd872573775d_SummaryofReserveforClaimLossesSummaryofReserveClaimsDetails"/>
  <link:roleRef roleURI="http://www.fnf.com/role/SummaryofReserveforClaimLossesNarrativeDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#SummaryofReserveforClaimLossesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/SummaryofReserveforClaimLossesNarrativeDetails" xlink:type="extended" id="i4d2716b27bce44bbac9965e569486cfc_SummaryofReserveforClaimLossesNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_e74ba31a-cc84-4836-95b5-6f14a0aa519c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNewClaimsFiledNumber_65167629-b1d5-4969-97d4-17783ec2e6f5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingencyNewClaimsFiledNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_e74ba31a-cc84-4836-95b5-6f14a0aa519c" xlink:to="loc_us-gaap_LossContingencyNewClaimsFiledNumber_65167629-b1d5-4969-97d4-17783ec2e6f5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDamagesSoughtValue_ff9e9ad0-cc4a-4e35-a932-fcf180bbfda1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingencyDamagesSoughtValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_e74ba31a-cc84-4836-95b5-6f14a0aa519c" xlink:to="loc_us-gaap_LossContingencyDamagesSoughtValue_ff9e9ad0-cc4a-4e35-a932-fcf180bbfda1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_c8b5553b-f91e-44a5-a351-ace0f4d05289" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_e74ba31a-cc84-4836-95b5-6f14a0aa519c" xlink:to="loc_us-gaap_LossContingenciesTable_c8b5553b-f91e-44a5-a351-ace0f4d05289" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusAxis_562fba17-21b5-439d-aa33-116f523ce198" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LitigationStatusAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_c8b5553b-f91e-44a5-a351-ace0f4d05289" xlink:to="loc_us-gaap_LitigationStatusAxis_562fba17-21b5-439d-aa33-116f523ce198" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusDomain_562fba17-21b5-439d-aa33-116f523ce198_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LitigationStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LitigationStatusAxis_562fba17-21b5-439d-aa33-116f523ce198" xlink:to="loc_us-gaap_LitigationStatusDomain_562fba17-21b5-439d-aa33-116f523ce198_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusDomain_12537b77-cf91-410e-a292-03e7300edc37" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LitigationStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LitigationStatusAxis_562fba17-21b5-439d-aa33-116f523ce198" xlink:to="loc_us-gaap_LitigationStatusDomain_12537b77-cf91-410e-a292-03e7300edc37" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PendingLitigationMember_a4b84bd5-f1ab-424d-93b7-a027e8949e30" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PendingLitigationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationStatusDomain_12537b77-cf91-410e-a292-03e7300edc37" xlink:to="loc_us-gaap_PendingLitigationMember_a4b84bd5-f1ab-424d-93b7-a027e8949e30" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ThreatenedLitigationMember_8f421d8b-bdb5-42a7-8844-109cba61b18c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ThreatenedLitigationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationStatusDomain_12537b77-cf91-410e-a292-03e7300edc37" xlink:to="loc_us-gaap_ThreatenedLitigationMember_8f421d8b-bdb5-42a7-8844-109cba61b18c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_c0087010-b68b-4ed6-8a33-90d001a989d0" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_LitigationCaseAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_c8b5553b-f91e-44a5-a351-ace0f4d05289" xlink:to="loc_srt_LitigationCaseAxis_c0087010-b68b-4ed6-8a33-90d001a989d0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_c0087010-b68b-4ed6-8a33-90d001a989d0_default" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_LitigationCaseAxis_c0087010-b68b-4ed6-8a33-90d001a989d0" xlink:to="loc_srt_LitigationCaseTypeDomain_c0087010-b68b-4ed6-8a33-90d001a989d0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_94e10182-e0f6-48f9-b92e-ad85c161bffd" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_LitigationCaseAxis_c0087010-b68b-4ed6-8a33-90d001a989d0" xlink:to="loc_srt_LitigationCaseTypeDomain_94e10182-e0f6-48f9-b92e-ad85c161bffd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_OvationFin.Holdings2LLCOvationFundMgmt.IILLCBancofCaliforniaN.A.v.ChicagoTitleIns.Co.ChicagoTitleCo.CaseNo.319cv02031GPCKSCMember_cfc327da-4889-40b8-97e2-8baa2bedb31a" xlink:href="fnf-20200331.xsd#fnf_OvationFin.Holdings2LLCOvationFundMgmt.IILLCBancofCaliforniaN.A.v.ChicagoTitleIns.Co.ChicagoTitleCo.CaseNo.319cv02031GPCKSCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_94e10182-e0f6-48f9-b92e-ad85c161bffd" xlink:to="loc_fnf_OvationFin.Holdings2LLCOvationFundMgmt.IILLCBancofCaliforniaN.A.v.ChicagoTitleIns.Co.ChicagoTitleCo.CaseNo.319cv02031GPCKSCMember_cfc327da-4889-40b8-97e2-8baa2bedb31a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_KimFundingLLCKimHPetersonJosephJCohenAndABCFundingStrategiesLLCVChicagoTitleCoChicagoTitleInsCoThomasSchwiebertAdelleDucharmeAndBettyElixmanMember_7ce13d7a-9ada-4c23-a6f6-037b459fd41a" xlink:href="fnf-20200331.xsd#fnf_KimFundingLLCKimHPetersonJosephJCohenAndABCFundingStrategiesLLCVChicagoTitleCoChicagoTitleInsCoThomasSchwiebertAdelleDucharmeAndBettyElixmanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_94e10182-e0f6-48f9-b92e-ad85c161bffd" xlink:to="loc_fnf_KimFundingLLCKimHPetersonJosephJCohenAndABCFundingStrategiesLLCVChicagoTitleCoChicagoTitleInsCoThomasSchwiebertAdelleDucharmeAndBettyElixmanMember_7ce13d7a-9ada-4c23-a6f6-037b459fd41a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_WakefieldCapitalLLCWakefieldInvestmentsLLC2BudzHoldingLLCDougAndKristineHeidrichAndJeffAndHeidiOrrVChicagoTitleCoAndChicagoTitleInsCoMember_c5cfbee7-2030-405f-9e89-b68d247b7b97" xlink:href="fnf-20200331.xsd#fnf_WakefieldCapitalLLCWakefieldInvestmentsLLC2BudzHoldingLLCDougAndKristineHeidrichAndJeffAndHeidiOrrVChicagoTitleCoAndChicagoTitleInsCoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_94e10182-e0f6-48f9-b92e-ad85c161bffd" xlink:to="loc_fnf_WakefieldCapitalLLCWakefieldInvestmentsLLC2BudzHoldingLLCDougAndKristineHeidrichAndJeffAndHeidiOrrVChicagoTitleCoAndChicagoTitleInsCoMember_c5cfbee7-2030-405f-9e89-b68d247b7b97" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_RandolphLLevinEtAlVChicagoTitleCoChicagoTitleInsCoThomasSchwiebertAdelleDucharmeBettyElixmanEtAlMember_d0bb6b12-f9f6-4f2a-bbce-5a2e6ff95995" xlink:href="fnf-20200331.xsd#fnf_RandolphLLevinEtAlVChicagoTitleCoChicagoTitleInsCoThomasSchwiebertAdelleDucharmeBettyElixmanEtAlMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_94e10182-e0f6-48f9-b92e-ad85c161bffd" xlink:to="loc_fnf_RandolphLLevinEtAlVChicagoTitleCoChicagoTitleInsCoThomasSchwiebertAdelleDucharmeBettyElixmanEtAlMember_d0bb6b12-f9f6-4f2a-bbce-5a2e6ff95995" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/FairValueMeasurements" xlink:type="simple" xlink:href="fnf-20200331.xsd#FairValueMeasurements"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/FairValueMeasurements" xlink:type="extended" id="ice206e97d6e04c2099b5de445dc0e3d3_FairValueMeasurements"/>
  <link:roleRef roleURI="http://www.fnf.com/role/FairValueMeasurementsTables" xlink:type="simple" xlink:href="fnf-20200331.xsd#FairValueMeasurementsTables"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/FairValueMeasurementsTables" xlink:type="extended" id="i59235de5caeb45f98ac6502d7f5d90fe_FairValueMeasurementsTables"/>
  <link:roleRef roleURI="http://www.fnf.com/role/FairValueMeasurementsFairValueHierarchyforAssetsandLiabilitiesMeasuredonaRecurringBasisDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#FairValueMeasurementsFairValueHierarchyforAssetsandLiabilitiesMeasuredonaRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/FairValueMeasurementsFairValueHierarchyforAssetsandLiabilitiesMeasuredonaRecurringBasisDetails" xlink:type="extended" id="i8fea76901295428eaf1c8d1df7685540_FairValueMeasurementsFairValueHierarchyforAssetsandLiabilitiesMeasuredonaRecurringBasisDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_174df83c-9d0c-4b9c-88a7-a73a988d806c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_d311a4cf-a23f-41bf-bf4d-2db08703306c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_174df83c-9d0c-4b9c-88a7-a73a988d806c" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_d311a4cf-a23f-41bf-bf4d-2db08703306c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNi_63a707df-0fd1-482d-b0fd-f8f85a6f0192" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNi"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_174df83c-9d0c-4b9c-88a7-a73a988d806c" xlink:to="loc_us-gaap_EquitySecuritiesFvNi_63a707df-0fd1-482d-b0fd-f8f85a6f0192" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsFairValueDisclosure_eacf5b11-4420-4a91-923c-0ed7dbfd15e1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_174df83c-9d0c-4b9c-88a7-a73a988d806c" xlink:to="loc_us-gaap_OtherAssetsFairValueDisclosure_eacf5b11-4420-4a91-923c-0ed7dbfd15e1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_43596b4f-7dca-4c9f-a005-ca542491bf3e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_174df83c-9d0c-4b9c-88a7-a73a988d806c" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_43596b4f-7dca-4c9f-a005-ca542491bf3e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_a4c581cb-65e2-42d1-aea5-c862b87e3910" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_174df83c-9d0c-4b9c-88a7-a73a988d806c" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_a4c581cb-65e2-42d1-aea5-c862b87e3910" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_9648173d-a80c-410e-8f5a-a07452659212" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_a4c581cb-65e2-42d1-aea5-c862b87e3910" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_9648173d-a80c-410e-8f5a-a07452659212" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_9648173d-a80c-410e-8f5a-a07452659212_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_9648173d-a80c-410e-8f5a-a07452659212" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_9648173d-a80c-410e-8f5a-a07452659212_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7ce9a982-b896-4482-82e3-0a3a57ebce06" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_9648173d-a80c-410e-8f5a-a07452659212" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7ce9a982-b896-4482-82e3-0a3a57ebce06" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_9ad8b9f4-b15f-44e4-aaa0-ac13a60fc572" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7ce9a982-b896-4482-82e3-0a3a57ebce06" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_9ad8b9f4-b15f-44e4-aaa0-ac13a60fc572" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_36ab2c7e-5503-49a9-b9dd-8e7385ebf2bb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7ce9a982-b896-4482-82e3-0a3a57ebce06" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_36ab2c7e-5503-49a9-b9dd-8e7385ebf2bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_ae29dfc7-9e66-4c67-8dd0-8e32273b9f73" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7ce9a982-b896-4482-82e3-0a3a57ebce06" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_ae29dfc7-9e66-4c67-8dd0-8e32273b9f73" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_be78c1c9-0ae5-46c0-a4a4-cd02fa7e1054" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_a4c581cb-65e2-42d1-aea5-c862b87e3910" xlink:to="loc_us-gaap_FinancialInstrumentAxis_be78c1c9-0ae5-46c0-a4a4-cd02fa7e1054" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_be78c1c9-0ae5-46c0-a4a4-cd02fa7e1054_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_be78c1c9-0ae5-46c0-a4a4-cd02fa7e1054" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_be78c1c9-0ae5-46c0-a4a4-cd02fa7e1054_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_d049c1ea-a40c-4b21-af59-12778014c022" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_be78c1c9-0ae5-46c0-a4a4-cd02fa7e1054" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_d049c1ea-a40c-4b21-af59-12778014c022" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_e8d6f620-9c72-40fe-873e-546d8c7248f0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_d049c1ea-a40c-4b21-af59-12778014c022" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_e8d6f620-9c72-40fe-873e-546d8c7248f0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_472a2cb8-42b3-4312-beea-7aa1b7ec1963" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_d049c1ea-a40c-4b21-af59-12778014c022" xlink:to="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_472a2cb8-42b3-4312-beea-7aa1b7ec1963" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_38d1af06-741a-4593-be44-d8e7369bd16a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_d049c1ea-a40c-4b21-af59-12778014c022" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_38d1af06-741a-4593-be44-d8e7369bd16a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_8943479a-3871-4e6f-a340-20f001748cf3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetBackedSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_d049c1ea-a40c-4b21-af59-12778014c022" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_8943479a-3871-4e6f-a340-20f001748cf3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_fe647c84-8bcf-418f-ad89-500bec4ee81a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_d049c1ea-a40c-4b21-af59-12778014c022" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_fe647c84-8bcf-418f-ad89-500bec4ee81a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockMember_89748f05-22a0-43a3-82b1-76e609c2f308" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_d049c1ea-a40c-4b21-af59-12778014c022" xlink:to="loc_us-gaap_PreferredStockMember_89748f05-22a0-43a3-82b1-76e609c2f308" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_25585642-9065-4eb9-bd68-2fdad56e88c8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_d049c1ea-a40c-4b21-af59-12778014c022" xlink:to="loc_us-gaap_CommonStockMember_25585642-9065-4eb9-bd68-2fdad56e88c8" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermInvestmentsMember_6f248298-3572-4456-82b8-f9a1c095881d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLongTermInvestmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_d049c1ea-a40c-4b21-af59-12778014c022" xlink:to="loc_us-gaap_OtherLongTermInvestmentsMember_6f248298-3572-4456-82b8-f9a1c095881d" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/FairValueMeasurementsSummaryofChangesinFairValueofLevel3AssetsMeasuredonaRecurringBasisDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#FairValueMeasurementsSummaryofChangesinFairValueofLevel3AssetsMeasuredonaRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/FairValueMeasurementsSummaryofChangesinFairValueofLevel3AssetsMeasuredonaRecurringBasisDetails" xlink:type="extended" id="i409b8b7909724a9581cde97cd82c32b0_FairValueMeasurementsSummaryofChangesinFairValueofLevel3AssetsMeasuredonaRecurringBasisDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_3fdee139-1787-4409-b4cf-b573f4e2c040" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_AvailableforsaleSecuritiesNumberofFirms_593b4687-3811-46de-8e83-9022e84e0e71" xlink:href="fnf-20200331.xsd#fnf_AvailableforsaleSecuritiesNumberofFirms"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_3fdee139-1787-4409-b4cf-b573f4e2c040" xlink:to="loc_fnf_AvailableforsaleSecuritiesNumberofFirms_593b4687-3811-46de-8e83-9022e84e0e71" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_FairValueMeasurementNumberofFirms_ba66dfd8-bc56-41aa-a3fc-5b98d4d04f62" xlink:href="fnf-20200331.xsd#fnf_FairValueMeasurementNumberofFirms"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_3fdee139-1787-4409-b4cf-b573f4e2c040" xlink:to="loc_fnf_FairValueMeasurementNumberofFirms_ba66dfd8-bc56-41aa-a3fc-5b98d4d04f62" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiMeasurementInput_a9ed378e-234d-45a7-a842-47ef4fa7f529" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiMeasurementInput"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_3fdee139-1787-4409-b4cf-b573f4e2c040" xlink:to="loc_us-gaap_EquitySecuritiesFvNiMeasurementInput_a9ed378e-234d-45a7-a842-47ef4fa7f529" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_27f5543f-137e-406e-a15b-adba0ba45e94" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_3fdee139-1787-4409-b4cf-b573f4e2c040" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_27f5543f-137e-406e-a15b-adba0ba45e94" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_885b228b-647e-496e-87fa-3b6524f44da4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_27f5543f-137e-406e-a15b-adba0ba45e94" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_885b228b-647e-496e-87fa-3b6524f44da4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_d72982c6-7796-4f3b-bf85-033ebfa974a9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_27f5543f-137e-406e-a15b-adba0ba45e94" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_d72982c6-7796-4f3b-bf85-033ebfa974a9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPaidinkind_a82fa27b-0535-4b93-a3d5-2cebbb76283c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsPaidinkind"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_27f5543f-137e-406e-a15b-adba0ba45e94" xlink:to="loc_us-gaap_DividendsPaidinkind_a82fa27b-0535-4b93-a3d5-2cebbb76283c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_c4978519-7db7-4a44-8f9f-aea666c317bc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_27f5543f-137e-406e-a15b-adba0ba45e94" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_c4978519-7db7-4a44-8f9f-aea666c317bc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_8d643046-c854-4d5e-8cc4-f72696f787d4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_27f5543f-137e-406e-a15b-adba0ba45e94" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_8d643046-c854-4d5e-8cc4-f72696f787d4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings_3062b165-1458-41bd-a518-ba36b24c3bb4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_27f5543f-137e-406e-a15b-adba0ba45e94" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings_3062b165-1458-41bd-a518-ba36b24c3bb4" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_831a4a8e-d525-4a68-aaaa-ae02d34c1842" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_47ca75fc-1800-465c-a947-782ab81958f5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_3fdee139-1787-4409-b4cf-b573f4e2c040" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_47ca75fc-1800-465c-a947-782ab81958f5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_67857322-1fb9-4d54-9ff4-2a2abd6650dd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_47ca75fc-1800-465c-a947-782ab81958f5" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_67857322-1fb9-4d54-9ff4-2a2abd6650dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_67857322-1fb9-4d54-9ff4-2a2abd6650dd_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_67857322-1fb9-4d54-9ff4-2a2abd6650dd" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_67857322-1fb9-4d54-9ff4-2a2abd6650dd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_4be0b9d5-b9ff-4a31-b819-0edcd2253285" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_67857322-1fb9-4d54-9ff4-2a2abd6650dd" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_4be0b9d5-b9ff-4a31-b819-0edcd2253285" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_814c3d2a-2140-4a68-aedb-6e663c5ffbb1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_4be0b9d5-b9ff-4a31-b819-0edcd2253285" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_814c3d2a-2140-4a68-aedb-6e663c5ffbb1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_7c59b8a3-503d-481d-ba22-c1f9e49bf92c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_47ca75fc-1800-465c-a947-782ab81958f5" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_7c59b8a3-503d-481d-ba22-c1f9e49bf92c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_7c59b8a3-503d-481d-ba22-c1f9e49bf92c_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_7c59b8a3-503d-481d-ba22-c1f9e49bf92c" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_7c59b8a3-503d-481d-ba22-c1f9e49bf92c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_a7bd2117-d9aa-4044-aff2-c23bc7dab262" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_7c59b8a3-503d-481d-ba22-c1f9e49bf92c" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_a7bd2117-d9aa-4044-aff2-c23bc7dab262" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputDiscountRateMember_90f43fba-9307-460c-b586-d82c44ce8169" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MeasurementInputDiscountRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_a7bd2117-d9aa-4044-aff2-c23bc7dab262" xlink:to="loc_us-gaap_MeasurementInputDiscountRateMember_90f43fba-9307-460c-b586-d82c44ce8169" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_54860369-88d3-40a5-bc24-f0d8430cb79a" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_47ca75fc-1800-465c-a947-782ab81958f5" xlink:to="loc_srt_RangeAxis_54860369-88d3-40a5-bc24-f0d8430cb79a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_54860369-88d3-40a5-bc24-f0d8430cb79a_default" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_54860369-88d3-40a5-bc24-f0d8430cb79a" xlink:to="loc_srt_RangeMember_54860369-88d3-40a5-bc24-f0d8430cb79a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_d5325778-fec4-493d-a4cf-8cbe8d88aee7" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_54860369-88d3-40a5-bc24-f0d8430cb79a" xlink:to="loc_srt_RangeMember_d5325778-fec4-493d-a4cf-8cbe8d88aee7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_061dfeec-3ee6-4a01-bd29-afb615690a3f" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_d5325778-fec4-493d-a4cf-8cbe8d88aee7" xlink:to="loc_srt_MinimumMember_061dfeec-3ee6-4a01-bd29-afb615690a3f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_f50522bc-0ca9-41d5-84c6-e4af619b76ef" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_d5325778-fec4-493d-a4cf-8cbe8d88aee7" xlink:to="loc_srt_MaximumMember_f50522bc-0ca9-41d5-84c6-e4af619b76ef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_WeightedAverageMember_97c00c6f-38e3-4326-ae9f-667afbbeeeb8" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_WeightedAverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_d5325778-fec4-493d-a4cf-8cbe8d88aee7" xlink:to="loc_srt_WeightedAverageMember_97c00c6f-38e3-4326-ae9f-667afbbeeeb8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_9416c3b2-6346-4472-b09b-1920550faecf" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_47ca75fc-1800-465c-a947-782ab81958f5" xlink:to="loc_us-gaap_FinancialInstrumentAxis_9416c3b2-6346-4472-b09b-1920550faecf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_9416c3b2-6346-4472-b09b-1920550faecf_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_9416c3b2-6346-4472-b09b-1920550faecf" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_9416c3b2-6346-4472-b09b-1920550faecf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1ad78557-65a7-4f74-9b30-683be24e16d1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_9416c3b2-6346-4472-b09b-1920550faecf" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1ad78557-65a7-4f74-9b30-683be24e16d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermInvestmentsMember_62f44f35-446e-4897-9a0c-0b9119396d2f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLongTermInvestmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1ad78557-65a7-4f74-9b30-683be24e16d1" xlink:to="loc_us-gaap_OtherLongTermInvestmentsMember_62f44f35-446e-4897-9a0c-0b9119396d2f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_2d8a4d83-10ce-4ff0-adaf-e76b7d1631ca" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1ad78557-65a7-4f74-9b30-683be24e16d1" xlink:to="loc_us-gaap_CommonStockMember_2d8a4d83-10ce-4ff0-adaf-e76b7d1631ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_a342d3a4-eb82-428b-84c0-7e51203dc84f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1ad78557-65a7-4f74-9b30-683be24e16d1" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_a342d3a4-eb82-428b-84c0-7e51203dc84f" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/Investments" xlink:type="simple" xlink:href="fnf-20200331.xsd#Investments"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/Investments" xlink:type="extended" id="ib1a4af79c4ab4fb589ab02e0d8b1e49b_Investments"/>
  <link:roleRef roleURI="http://www.fnf.com/role/InvestmentsTables" xlink:type="simple" xlink:href="fnf-20200331.xsd#InvestmentsTables"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/InvestmentsTables" xlink:type="extended" id="i0800ab9412104eaca7311e45421dcd25_InvestmentsTables"/>
  <link:roleRef roleURI="http://www.fnf.com/role/InvestmentsScheduleofCarryingAmountandFairValueofAvailableforSaleSecuritiesDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#InvestmentsScheduleofCarryingAmountandFairValueofAvailableforSaleSecuritiesDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/InvestmentsScheduleofCarryingAmountandFairValueofAvailableforSaleSecuritiesDetails" xlink:type="extended" id="i01a89cdbfd21431c86bc56d7eb223c48_InvestmentsScheduleofCarryingAmountandFairValueofAvailableforSaleSecuritiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_c02fdd96-d167-46d7-97ba-ed7ad572e2b8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesFairValueToAmortizedCostBasisAbstract_923ac3c3-d722-47b3-800f-88fb3e95ae82" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesFairValueToAmortizedCostBasisAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_c02fdd96-d167-46d7-97ba-ed7ad572e2b8" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesFairValueToAmortizedCostBasisAbstract_923ac3c3-d722-47b3-800f-88fb3e95ae82" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_0eb8b755-6139-44cb-a8cc-7c99c00646d3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesFairValueToAmortizedCostBasisAbstract_923ac3c3-d722-47b3-800f-88fb3e95ae82" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_0eb8b755-6139-44cb-a8cc-7c99c00646d3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_cafd46cb-63d0-4d7e-b359-0f87ac270a5f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesFairValueToAmortizedCostBasisAbstract_923ac3c3-d722-47b3-800f-88fb3e95ae82" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_cafd46cb-63d0-4d7e-b359-0f87ac270a5f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_48724954-6f75-4e14-9cc2-caf3ef7ea784" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesFairValueToAmortizedCostBasisAbstract_923ac3c3-d722-47b3-800f-88fb3e95ae82" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_48724954-6f75-4e14-9cc2-caf3ef7ea784" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_2815daf8-06ce-4e6e-95f9-f9af39aa675d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesFairValueToAmortizedCostBasisAbstract_923ac3c3-d722-47b3-800f-88fb3e95ae82" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_2815daf8-06ce-4e6e-95f9-f9af39aa675d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss_badcb9ec-fbbd-46ab-8372-8231f2a5804c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesFairValueToAmortizedCostBasisAbstract_923ac3c3-d722-47b3-800f-88fb3e95ae82" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss_badcb9ec-fbbd-46ab-8372-8231f2a5804c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_30f3e42b-11f3-4c44-8238-2440a79a6ea1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_c02fdd96-d167-46d7-97ba-ed7ad572e2b8" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_30f3e42b-11f3-4c44-8238-2440a79a6ea1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_ab81b619-552a-46e9-97f8-2f6fa842a0b3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_30f3e42b-11f3-4c44-8238-2440a79a6ea1" xlink:to="loc_us-gaap_FinancialInstrumentAxis_ab81b619-552a-46e9-97f8-2f6fa842a0b3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_ab81b619-552a-46e9-97f8-2f6fa842a0b3_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_ab81b619-552a-46e9-97f8-2f6fa842a0b3" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_ab81b619-552a-46e9-97f8-2f6fa842a0b3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_feb7afca-8473-4f45-a07d-4a2207b57038" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_ab81b619-552a-46e9-97f8-2f6fa842a0b3" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_feb7afca-8473-4f45-a07d-4a2207b57038" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_966dc5ae-6dbd-4f80-bb0d-c8ba55b6a0a1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_feb7afca-8473-4f45-a07d-4a2207b57038" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_966dc5ae-6dbd-4f80-bb0d-c8ba55b6a0a1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_6c5af918-25ff-43b2-962e-cef0a5e2278c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_feb7afca-8473-4f45-a07d-4a2207b57038" xlink:to="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_6c5af918-25ff-43b2-962e-cef0a5e2278c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_7179839f-f148-470f-9c64-c390576018ee" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_feb7afca-8473-4f45-a07d-4a2207b57038" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_7179839f-f148-470f-9c64-c390576018ee" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_84bfe204-d61d-4ebd-ac41-a57be4c6aa0c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetBackedSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_feb7afca-8473-4f45-a07d-4a2207b57038" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_84bfe204-d61d-4ebd-ac41-a57be4c6aa0c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_20d1008a-e1ca-4d18-a24e-9a3802c2bab2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_feb7afca-8473-4f45-a07d-4a2207b57038" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_20d1008a-e1ca-4d18-a24e-9a3802c2bab2" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/InvestmentsMaturityofFixedMaturitySecuritiesDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#InvestmentsMaturityofFixedMaturitySecuritiesDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/InvestmentsMaturityofFixedMaturitySecuritiesDetails" xlink:type="extended" id="i2ae3cc8e546840e280c5fa6d7cc2a2e2_InvestmentsMaturityofFixedMaturitySecuritiesDetails"/>
  <link:roleRef roleURI="http://www.fnf.com/role/InvestmentsSecuritiesinaContinuousUnrealizedLossPositionWithNoAllowanceforCreditLossesDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#InvestmentsSecuritiesinaContinuousUnrealizedLossPositionWithNoAllowanceforCreditLossesDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/InvestmentsSecuritiesinaContinuousUnrealizedLossPositionWithNoAllowanceforCreditLossesDetails" xlink:type="extended" id="i200f558bf2b5463c9a1cfe147b74cdfc_InvestmentsSecuritiesinaContinuousUnrealizedLossPositionWithNoAllowanceforCreditLossesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_916d829f-c7a0-445e-bb5f-99528dc298be" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossFairValueAbstract_7370daa7-e96d-4606-88e6-a86634df7aa1" xlink:href="fnf-20200331.xsd#fnf_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossFairValueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_916d829f-c7a0-445e-bb5f-99528dc298be" xlink:to="loc_fnf_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossFairValueAbstract_7370daa7-e96d-4606-88e6-a86634df7aa1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_199d9134-c99d-4665-970f-bdb0be3389cd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fnf_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossFairValueAbstract_7370daa7-e96d-4606-88e6-a86634df7aa1" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_199d9134-c99d-4665-970f-bdb0be3389cd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_0faafe4e-8289-470b-a75d-7b596fe8f356" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fnf_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossFairValueAbstract_7370daa7-e96d-4606-88e6-a86634df7aa1" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_0faafe4e-8289-470b-a75d-7b596fe8f356" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_f1ee7d2e-1891-44f4-8a91-be37db729fe0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fnf_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossFairValueAbstract_7370daa7-e96d-4606-88e6-a86634df7aa1" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_f1ee7d2e-1891-44f4-8a91-be37db729fe0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_dc17286b-6f30-49b8-bc2e-e8c77f621b0b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_916d829f-c7a0-445e-bb5f-99528dc298be" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_dc17286b-6f30-49b8-bc2e-e8c77f621b0b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_ad92a144-6bf6-4417-88d6-508b2d1586f3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_dc17286b-6f30-49b8-bc2e-e8c77f621b0b" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_ad92a144-6bf6-4417-88d6-508b2d1586f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_40476986-21ec-4194-acb0-88ca14004b29" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_dc17286b-6f30-49b8-bc2e-e8c77f621b0b" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_40476986-21ec-4194-acb0-88ca14004b29" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_ba79fdfc-4471-44eb-82e7-b4d5eb157510" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_dc17286b-6f30-49b8-bc2e-e8c77f621b0b" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_ba79fdfc-4471-44eb-82e7-b4d5eb157510" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_8c8a0f35-2f90-4636-8b88-ce58ca5889b8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_916d829f-c7a0-445e-bb5f-99528dc298be" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_8c8a0f35-2f90-4636-8b88-ce58ca5889b8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_df537328-4a2a-4ac2-b5a0-90f6eec52e50" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_8c8a0f35-2f90-4636-8b88-ce58ca5889b8" xlink:to="loc_us-gaap_FinancialInstrumentAxis_df537328-4a2a-4ac2-b5a0-90f6eec52e50" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_df537328-4a2a-4ac2-b5a0-90f6eec52e50_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_df537328-4a2a-4ac2-b5a0-90f6eec52e50" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_df537328-4a2a-4ac2-b5a0-90f6eec52e50_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1b394f9d-ee1d-4d39-9ed8-a99967fa548b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_df537328-4a2a-4ac2-b5a0-90f6eec52e50" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1b394f9d-ee1d-4d39-9ed8-a99967fa548b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_356841e4-f712-46d8-bcbf-b52393fefbac" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1b394f9d-ee1d-4d39-9ed8-a99967fa548b" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_356841e4-f712-46d8-bcbf-b52393fefbac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_daa02a4d-7cc4-42db-af90-35381f4120c7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1b394f9d-ee1d-4d39-9ed8-a99967fa548b" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_daa02a4d-7cc4-42db-af90-35381f4120c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_246ba9af-b2eb-4a90-a93a-75ff1c74d4b9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_1b394f9d-ee1d-4d39-9ed8-a99967fa548b" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_246ba9af-b2eb-4a90-a93a-75ff1c74d4b9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditLossStatusAxis_ccf50acf-4bfb-4899-bd50-262af709c2c1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditLossStatusAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_8c8a0f35-2f90-4636-8b88-ce58ca5889b8" xlink:to="loc_us-gaap_CreditLossStatusAxis_ccf50acf-4bfb-4899-bd50-262af709c2c1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditLossStatusDomain_ccf50acf-4bfb-4899-bd50-262af709c2c1_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditLossStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditLossStatusAxis_ccf50acf-4bfb-4899-bd50-262af709c2c1" xlink:to="loc_us-gaap_CreditLossStatusDomain_ccf50acf-4bfb-4899-bd50-262af709c2c1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditLossStatusDomain_ec01c426-2f2f-4f5c-96d4-bdd8f2302f01" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditLossStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditLossStatusAxis_ccf50acf-4bfb-4899-bd50-262af709c2c1" xlink:to="loc_us-gaap_CreditLossStatusDomain_ec01c426-2f2f-4f5c-96d4-bdd8f2302f01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_NoAllowanceForCreditLossesMember_bda3639b-ceb0-424a-a854-785561f6ccd6" xlink:href="fnf-20200331.xsd#fnf_NoAllowanceForCreditLossesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditLossStatusDomain_ec01c426-2f2f-4f5c-96d4-bdd8f2302f01" xlink:to="loc_fnf_NoAllowanceForCreditLossesMember_bda3639b-ceb0-424a-a854-785561f6ccd6" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/InvestmentsSecuritiesinaContinuousUnrealizedLossPositionDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#InvestmentsSecuritiesinaContinuousUnrealizedLossPositionDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/InvestmentsSecuritiesinaContinuousUnrealizedLossPositionDetails" xlink:type="extended" id="i4afba08ca2ed4746b813199562390c74_InvestmentsSecuritiesinaContinuousUnrealizedLossPositionDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_25bc21bf-dd07-40ae-9dc9-f13a8e74d05e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossFairValueAbstract_6aeef8b5-57be-4b6e-9e2a-d8f05a338042" xlink:href="fnf-20200331.xsd#fnf_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossFairValueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_25bc21bf-dd07-40ae-9dc9-f13a8e74d05e" xlink:to="loc_fnf_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossFairValueAbstract_6aeef8b5-57be-4b6e-9e2a-d8f05a338042" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_89e25725-6e70-4e67-a85e-d2bcc5f20189" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fnf_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossFairValueAbstract_6aeef8b5-57be-4b6e-9e2a-d8f05a338042" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_89e25725-6e70-4e67-a85e-d2bcc5f20189" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_2a0b4d1f-9949-4b70-bd21-c77ac7f8af80" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fnf_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossFairValueAbstract_6aeef8b5-57be-4b6e-9e2a-d8f05a338042" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_2a0b4d1f-9949-4b70-bd21-c77ac7f8af80" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_b328cfab-2ec7-4213-9f4a-b68f3755865d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fnf_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLossFairValueAbstract_6aeef8b5-57be-4b6e-9e2a-d8f05a338042" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_b328cfab-2ec7-4213-9f4a-b68f3755865d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_49e581c6-5e3e-4553-9ba8-efbdea8d0c34" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_25bc21bf-dd07-40ae-9dc9-f13a8e74d05e" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_49e581c6-5e3e-4553-9ba8-efbdea8d0c34" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_d4659bf3-c03e-4ea6-a1e8-1eba6e1c31ad" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_49e581c6-5e3e-4553-9ba8-efbdea8d0c34" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_d4659bf3-c03e-4ea6-a1e8-1eba6e1c31ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_fd93025a-f529-4978-8c44-db4c52895ea4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_49e581c6-5e3e-4553-9ba8-efbdea8d0c34" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_fd93025a-f529-4978-8c44-db4c52895ea4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_30d94919-4d4b-4041-83b9-e9d43cdc44b7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract_49e581c6-5e3e-4553-9ba8-efbdea8d0c34" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_30d94919-4d4b-4041-83b9-e9d43cdc44b7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_baa06742-6c48-43a4-bfca-2b71e87dfe35" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_25bc21bf-dd07-40ae-9dc9-f13a8e74d05e" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_baa06742-6c48-43a4-bfca-2b71e87dfe35" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_ad160d7a-6aa7-4531-a564-dd169c993d5a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_baa06742-6c48-43a4-bfca-2b71e87dfe35" xlink:to="loc_us-gaap_FinancialInstrumentAxis_ad160d7a-6aa7-4531-a564-dd169c993d5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_ad160d7a-6aa7-4531-a564-dd169c993d5a_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_ad160d7a-6aa7-4531-a564-dd169c993d5a" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_ad160d7a-6aa7-4531-a564-dd169c993d5a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_9dbe7faf-8408-4f04-a9e6-bc802d682628" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_ad160d7a-6aa7-4531-a564-dd169c993d5a" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_9dbe7faf-8408-4f04-a9e6-bc802d682628" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_cc371603-3bcb-4b79-9601-24b9a875f6fd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_9dbe7faf-8408-4f04-a9e6-bc802d682628" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_cc371603-3bcb-4b79-9601-24b9a875f6fd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_d8b216db-b9bb-498a-ae83-62f41dd4026e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_9dbe7faf-8408-4f04-a9e6-bc802d682628" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_d8b216db-b9bb-498a-ae83-62f41dd4026e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_d388a016-30f1-451a-8853-18aa620ef6a5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_9dbe7faf-8408-4f04-a9e6-bc802d682628" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_d388a016-30f1-451a-8853-18aa620ef6a5" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/InvestmentsNarrativeDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#InvestmentsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/InvestmentsNarrativeDetails" xlink:type="extended" id="ie19bab8cf77a4b889e07626a5103afbb_InvestmentsNarrativeDetails"/>
  <link:roleRef roleURI="http://www.fnf.com/role/InvestmentsRealizedGainsandLossesandProceedsonInvestmentsandOtherAssetsDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#InvestmentsRealizedGainsandLossesandProceedsonInvestmentsandOtherAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/InvestmentsRealizedGainsandLossesandProceedsonInvestmentsandOtherAssetsDetails" xlink:type="extended" id="iebb4d6961ebe4846886b8e0cacc917fd_InvestmentsRealizedGainsandLossesandProceedsonInvestmentsandOtherAssetsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2175c07a-d6c2-4f9f-974e-6dc667d937ad" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract_9e08a1ef-e6c8-4bb8-9709-c6e4266a4b3b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2175c07a-d6c2-4f9f-974e-6dc667d937ad" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract_9e08a1ef-e6c8-4bb8-9709-c6e4266a4b3b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleRealizedGain_d80b43c6-6394-4d1f-9364-b2e2a4c72c27" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleRealizedGain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract_9e08a1ef-e6c8-4bb8-9709-c6e4266a4b3b" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleRealizedGain_d80b43c6-6394-4d1f-9364-b2e2a4c72c27" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleRealizedLoss_88db6fda-5175-4023-887d-8e923c064041" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleRealizedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract_9e08a1ef-e6c8-4bb8-9709-c6e4266a4b3b" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleRealizedLoss_88db6fda-5175-4023-887d-8e923c064041" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss_cd08bd07-764f-4e04-b508-41921e1afa76" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract_9e08a1ef-e6c8-4bb8-9709-c6e4266a4b3b" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss_cd08bd07-764f-4e04-b508-41921e1afa76" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_05dec6c8-ecad-456a-981e-a992e5e21428" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossAbstract_9e08a1ef-e6c8-4bb8-9709-c6e4266a4b3b" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_05dec6c8-ecad-456a-981e-a992e5e21428" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiRealizedGainLossAbstract_d56abffd-1c94-4233-b939-05378c5a9bbd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiRealizedGainLossAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2175c07a-d6c2-4f9f-974e-6dc667d937ad" xlink:to="loc_us-gaap_EquitySecuritiesFvNiRealizedGainLossAbstract_d56abffd-1c94-4233-b939-05378c5a9bbd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiRealizedGain_11716d0d-d68f-4969-9d7e-7658126a71ce" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiRealizedGain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquitySecuritiesFvNiRealizedGainLossAbstract_d56abffd-1c94-4233-b939-05378c5a9bbd" xlink:to="loc_us-gaap_EquitySecuritiesFvNiRealizedGain_11716d0d-d68f-4969-9d7e-7658126a71ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiRealizedLoss_fc110759-20b3-4cfe-8967-469646663891" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiRealizedLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquitySecuritiesFvNiRealizedGainLossAbstract_d56abffd-1c94-4233-b939-05378c5a9bbd" xlink:to="loc_us-gaap_EquitySecuritiesFvNiRealizedLoss_fc110759-20b3-4cfe-8967-469646663891" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiRealizedGainLoss_fbc5a07e-6f9f-4492-9787-56f5987b1a79" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesFvNiRealizedGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquitySecuritiesFvNiRealizedGainLossAbstract_d56abffd-1c94-4233-b939-05378c5a9bbd" xlink:to="loc_us-gaap_EquitySecuritiesFvNiRealizedGainLoss_fbc5a07e-6f9f-4492-9787-56f5987b1a79" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment_8328b6c9-47f1-41e3-931c-79b0ac64cfd8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquitySecuritiesFvNiRealizedGainLossAbstract_d56abffd-1c94-4233-b939-05378c5a9bbd" xlink:to="loc_us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment_8328b6c9-47f1-41e3-931c-79b0ac64cfd8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAbstract_a81bdc8a-df6a-4852-bf47-c3e021f9561a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2175c07a-d6c2-4f9f-974e-6dc667d937ad" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAbstract_a81bdc8a-df6a-4852-bf47-c3e021f9561a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss_246f7a94-84d5-4bc4-8319-448ace0662de" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAbstract_a81bdc8a-df6a-4852-bf47-c3e021f9561a" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss_246f7a94-84d5-4bc4-8319-448ace0662de" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_ValuationOfEquityAndPreferredSecuritiesAbstract_52717efc-81cd-460e-a006-642698f13c14" xlink:href="fnf-20200331.xsd#fnf_ValuationOfEquityAndPreferredSecuritiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2175c07a-d6c2-4f9f-974e-6dc667d937ad" xlink:to="loc_fnf_ValuationOfEquityAndPreferredSecuritiesAbstract_52717efc-81cd-460e-a006-642698f13c14" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_EquitySecuritiesFVNIValuationGainLoss_d976059c-6664-4024-9a89-9f4385c47c87" xlink:href="fnf-20200331.xsd#fnf_EquitySecuritiesFVNIValuationGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fnf_ValuationOfEquityAndPreferredSecuritiesAbstract_52717efc-81cd-460e-a006-642698f13c14" xlink:to="loc_fnf_EquitySecuritiesFVNIValuationGainLoss_d976059c-6664-4024-9a89-9f4385c47c87" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_OtherLongTermInvestmentsAbstract_5e118d22-69e1-4afd-8a3c-f373f87e97b6" xlink:href="fnf-20200331.xsd#fnf_OtherLongTermInvestmentsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2175c07a-d6c2-4f9f-974e-6dc667d937ad" xlink:to="loc_fnf_OtherLongTermInvestmentsAbstract_5e118d22-69e1-4afd-8a3c-f373f87e97b6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_OtherLongTermInvestmentsValuationGainLoss_9a34d806-2b9e-4912-a138-fb06e6dbdbd8" xlink:href="fnf-20200331.xsd#fnf_OtherLongTermInvestmentsValuationGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fnf_OtherLongTermInvestmentsAbstract_5e118d22-69e1-4afd-8a3c-f373f87e97b6" xlink:to="loc_fnf_OtherLongTermInvestmentsValuationGainLoss_9a34d806-2b9e-4912-a138-fb06e6dbdbd8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliatesAbstract_feab14b8-be3a-42b8-89eb-4cf88eef6011" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliatesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2175c07a-d6c2-4f9f-974e-6dc667d937ad" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliatesAbstract_feab14b8-be3a-42b8-89eb-4cf88eef6011" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_fcaa41c4-94fd-44db-a70b-c155308830a5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliatesAbstract_feab14b8-be3a-42b8-89eb-4cf88eef6011" xlink:to="loc_us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_fcaa41c4-94fd-44db-a70b-c155308830a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_37442593-63bf-4e01-9621-317f5d47e2fb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliatesAbstract_feab14b8-be3a-42b8-89eb-4cf88eef6011" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfOtherInvestments_37442593-63bf-4e01-9621-317f5d47e2fb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_GainLossonOtherAssetsAbstract_b3242cfd-b7f5-4cc7-b180-2be3754064ac" xlink:href="fnf-20200331.xsd#fnf_GainLossonOtherAssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2175c07a-d6c2-4f9f-974e-6dc667d937ad" xlink:to="loc_fnf_GainLossonOtherAssetsAbstract_b3242cfd-b7f5-4cc7-b180-2be3754064ac" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfOtherFinancialAssets_d9c56c37-7564-48f0-8283-d654531e8c5b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnDispositionOfOtherFinancialAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fnf_GainLossonOtherAssetsAbstract_b3242cfd-b7f5-4cc7-b180-2be3754064ac" xlink:to="loc_us-gaap_GainLossOnDispositionOfOtherFinancialAssets_d9c56c37-7564-48f0-8283-d654531e8c5b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfOtherAssets1_5277a786-56fb-4916-ae6d-05fdb3f0e8cd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfOtherAssets1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_fnf_GainLossonOtherAssetsAbstract_b3242cfd-b7f5-4cc7-b180-2be3754064ac" xlink:to="loc_us-gaap_ProceedsFromSaleOfOtherAssets1_5277a786-56fb-4916-ae6d-05fdb3f0e8cd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealizedInvestmentGainsLossesAbstract_e1c3dbd8-e713-4da3-9c37-e7fe2b28d347" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RealizedInvestmentGainsLossesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2175c07a-d6c2-4f9f-974e-6dc667d937ad" xlink:to="loc_us-gaap_RealizedInvestmentGainsLossesAbstract_e1c3dbd8-e713-4da3-9c37-e7fe2b28d347" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_RealizedGainLossOnInvestmentsAndOtherFinancialAssets_25843304-8722-4457-af13-7055ddf84159" xlink:href="fnf-20200331.xsd#fnf_RealizedGainLossOnInvestmentsAndOtherFinancialAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealizedInvestmentGainsLossesAbstract_e1c3dbd8-e713-4da3-9c37-e7fe2b28d347" xlink:to="loc_fnf_RealizedGainLossOnInvestmentsAndOtherFinancialAssets_25843304-8722-4457-af13-7055ddf84159" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_8ef1ef0b-c0f0-4282-9c5b-9dfe5e458982" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealizedInvestmentGainsLossesAbstract_e1c3dbd8-e713-4da3-9c37-e7fe2b28d347" xlink:to="loc_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_8ef1ef0b-c0f0-4282-9c5b-9dfe5e458982" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_dc6a61ec-5050-45cc-80aa-cfa67a9c904b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2175c07a-d6c2-4f9f-974e-6dc667d937ad" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_dc6a61ec-5050-45cc-80aa-cfa67a9c904b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_b8aa0dd6-e780-4c6a-8ee0-7f35f783848e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_dc6a61ec-5050-45cc-80aa-cfa67a9c904b" xlink:to="loc_us-gaap_FinancialInstrumentAxis_b8aa0dd6-e780-4c6a-8ee0-7f35f783848e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_b8aa0dd6-e780-4c6a-8ee0-7f35f783848e_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_b8aa0dd6-e780-4c6a-8ee0-7f35f783848e" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_b8aa0dd6-e780-4c6a-8ee0-7f35f783848e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_bd297e0b-d4d6-4c15-9858-cf9087e0ca55" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_b8aa0dd6-e780-4c6a-8ee0-7f35f783848e" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_bd297e0b-d4d6-4c15-9858-cf9087e0ca55" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_FixedMaturitySecuritiesAvailableForSaleMember_13a413a8-47cb-4287-b900-8997f37a0953" xlink:href="fnf-20200331.xsd#fnf_FixedMaturitySecuritiesAvailableForSaleMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_bd297e0b-d4d6-4c15-9858-cf9087e0ca55" xlink:to="loc_fnf_FixedMaturitySecuritiesAvailableForSaleMember_13a413a8-47cb-4287-b900-8997f37a0953" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockMember_18e41896-8ae8-4944-ba7d-0209baff88a7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_bd297e0b-d4d6-4c15-9858-cf9087e0ca55" xlink:to="loc_us-gaap_PreferredStockMember_18e41896-8ae8-4944-ba7d-0209baff88a7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_f661742e-8f3f-43d6-8a47-9252362c5aa3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_bd297e0b-d4d6-4c15-9858-cf9087e0ca55" xlink:to="loc_us-gaap_CommonStockMember_f661742e-8f3f-43d6-8a47-9252362c5aa3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermInvestmentsMember_ca128620-b42f-41a2-a38f-d21f4554369b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLongTermInvestmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_bd297e0b-d4d6-4c15-9858-cf9087e0ca55" xlink:to="loc_us-gaap_OtherLongTermInvestmentsMember_ca128620-b42f-41a2-a38f-d21f4554369b" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/InvestmentsInvestmentswithRelatedPartyDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#InvestmentsInvestmentswithRelatedPartyDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/InvestmentsInvestmentswithRelatedPartyDetails" xlink:type="extended" id="i59e82ca5699f4b46acfc9c50c8fb36f5_InvestmentsInvestmentswithRelatedPartyDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_6d9d1b21-b25e-4edc-be47-7fb71c80dc69" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentOwnedBalanceShares_572de206-88ed-4f50-910a-7c7a5d3fb8dc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentOwnedBalanceShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_6d9d1b21-b25e-4edc-be47-7fb71c80dc69" xlink:to="loc_us-gaap_InvestmentOwnedBalanceShares_572de206-88ed-4f50-910a-7c7a5d3fb8dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentOwnedAtFairValue_ca7729c5-a88d-4b11-8a02-e66c193c667a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentOwnedAtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_6d9d1b21-b25e-4edc-be47-7fb71c80dc69" xlink:to="loc_us-gaap_InvestmentOwnedAtFairValue_ca7729c5-a88d-4b11-8a02-e66c193c667a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_b25e1b3f-9323-4010-af18-401db66d7682" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_6d9d1b21-b25e-4edc-be47-7fb71c80dc69" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_b25e1b3f-9323-4010-af18-401db66d7682" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_cf8f7fb1-25da-479d-8cdd-6429f8f2af3a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_b25e1b3f-9323-4010-af18-401db66d7682" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_cf8f7fb1-25da-479d-8cdd-6429f8f2af3a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_cf8f7fb1-25da-479d-8cdd-6429f8f2af3a_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_cf8f7fb1-25da-479d-8cdd-6429f8f2af3a" xlink:to="loc_us-gaap_RelatedPartyDomain_cf8f7fb1-25da-479d-8cdd-6429f8f2af3a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_e21df08d-4450-4ba1-b68f-11911540bef6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_cf8f7fb1-25da-479d-8cdd-6429f8f2af3a" xlink:to="loc_us-gaap_RelatedPartyDomain_e21df08d-4450-4ba1-b68f-11911540bef6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_CannaeHoldingsInc.Member_ed765795-e2d3-4294-89e5-183fd4f06ab0" xlink:href="fnf-20200331.xsd#fnf_CannaeHoldingsInc.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_e21df08d-4450-4ba1-b68f-11911540bef6" xlink:to="loc_fnf_CannaeHoldingsInc.Member_ed765795-e2d3-4294-89e5-183fd4f06ab0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_fea6ab8d-e128-49cc-9971-e309703404d5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_b25e1b3f-9323-4010-af18-401db66d7682" xlink:to="loc_us-gaap_StatementClassOfStockAxis_fea6ab8d-e128-49cc-9971-e309703404d5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_fea6ab8d-e128-49cc-9971-e309703404d5_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_fea6ab8d-e128-49cc-9971-e309703404d5" xlink:to="loc_us-gaap_ClassOfStockDomain_fea6ab8d-e128-49cc-9971-e309703404d5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_a0c671f3-7973-4e4e-a23e-adf441ca7647" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_fea6ab8d-e128-49cc-9971-e309703404d5" xlink:to="loc_us-gaap_ClassOfStockDomain_a0c671f3-7973-4e4e-a23e-adf441ca7647" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_db0586ac-c642-4d2a-a5ee-c3888dad8342" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_a0c671f3-7973-4e4e-a23e-adf441ca7647" xlink:to="loc_us-gaap_CommonStockMember_db0586ac-c642-4d2a-a5ee-c3888dad8342" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/NotesPayable" xlink:type="simple" xlink:href="fnf-20200331.xsd#NotesPayable"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/NotesPayable" xlink:type="extended" id="i23afb1c2817240b490ef973b3fc296ee_NotesPayable"/>
  <link:roleRef roleURI="http://www.fnf.com/role/NotesPayableTables" xlink:type="simple" xlink:href="fnf-20200331.xsd#NotesPayableTables"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/NotesPayableTables" xlink:type="extended" id="ia5b87775c91643a4801cc4dccc6ee475_NotesPayableTables"/>
  <link:roleRef roleURI="http://www.fnf.com/role/NotesPayableScheduleofLongTermDebtDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#NotesPayableScheduleofLongTermDebtDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/NotesPayableScheduleofLongTermDebtDetails" xlink:type="extended" id="if56c81fd24854adf84ab3a250a969711_NotesPayableScheduleofLongTermDebtDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_3147aa0b-60d9-40ec-9405-9f129ecdd80a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_fe9fc3ed-18a5-4f61-8946-d1e0e76c7cb5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3147aa0b-60d9-40ec-9405-9f129ecdd80a" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_fe9fc3ed-18a5-4f61-8946-d1e0e76c7cb5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_574abc3b-2100-47a0-a680-207374caadaa" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3147aa0b-60d9-40ec-9405-9f129ecdd80a" xlink:to="loc_us-gaap_LongTermDebt_574abc3b-2100-47a0-a680-207374caadaa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet_5f4f9bb2-804c-4183-a252-663a6b9a7221" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3147aa0b-60d9-40ec-9405-9f129ecdd80a" xlink:to="loc_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet_5f4f9bb2-804c-4183-a252-663a6b9a7221" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_faf7cce2-c2db-4f74-8a2d-8f61cad7b78c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_3147aa0b-60d9-40ec-9405-9f129ecdd80a" xlink:to="loc_us-gaap_DebtInstrumentTable_faf7cce2-c2db-4f74-8a2d-8f61cad7b78c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_c9564618-1be8-4a2e-b32d-1b3634fc0918" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_faf7cce2-c2db-4f74-8a2d-8f61cad7b78c" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_c9564618-1be8-4a2e-b32d-1b3634fc0918" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_c9564618-1be8-4a2e-b32d-1b3634fc0918_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_c9564618-1be8-4a2e-b32d-1b3634fc0918" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_c9564618-1be8-4a2e-b32d-1b3634fc0918_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_92a0a794-2f73-4dd8-a876-7718702b2a14" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_c9564618-1be8-4a2e-b32d-1b3634fc0918" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_92a0a794-2f73-4dd8-a876-7718702b2a14" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_9f3a9805-c476-473b-9fe6-29a485bbb483" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_92a0a794-2f73-4dd8-a876-7718702b2a14" xlink:to="loc_us-gaap_UnsecuredDebtMember_9f3a9805-c476-473b-9fe6-29a485bbb483" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_ae48d2e1-998f-4f9e-9014-815352a8da0b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_92a0a794-2f73-4dd8-a876-7718702b2a14" xlink:to="loc_us-gaap_LineOfCreditMember_ae48d2e1-998f-4f9e-9014-815352a8da0b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_088616f8-7c20-4a5d-86d0-84e76a794eb1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_faf7cce2-c2db-4f74-8a2d-8f61cad7b78c" xlink:to="loc_us-gaap_DebtInstrumentAxis_088616f8-7c20-4a5d-86d0-84e76a794eb1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_088616f8-7c20-4a5d-86d0-84e76a794eb1_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_088616f8-7c20-4a5d-86d0-84e76a794eb1" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_088616f8-7c20-4a5d-86d0-84e76a794eb1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_a658fe0a-1f52-42f4-bca0-f4da245f1f80" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_088616f8-7c20-4a5d-86d0-84e76a794eb1" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_a658fe0a-1f52-42f4-bca0-f4da245f1f80" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_FourPointFiveZeroPercentUnsecuredNotesDueAugust2028Member_5a6f60ef-f569-4a48-9178-b7227a844730" xlink:href="fnf-20200331.xsd#fnf_FourPointFiveZeroPercentUnsecuredNotesDueAugust2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a658fe0a-1f52-42f4-bca0-f4da245f1f80" xlink:to="loc_fnf_FourPointFiveZeroPercentUnsecuredNotesDueAugust2028Member_5a6f60ef-f569-4a48-9178-b7227a844730" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_FivePointFiveZeroPercentUnsecuredNotesDueSeptember2022Member_d274a899-ae8f-494a-93bc-f7a0c47fd2b8" xlink:href="fnf-20200331.xsd#fnf_FivePointFiveZeroPercentUnsecuredNotesDueSeptember2022Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a658fe0a-1f52-42f4-bca0-f4da245f1f80" xlink:to="loc_fnf_FivePointFiveZeroPercentUnsecuredNotesDueSeptember2022Member_d274a899-ae8f-494a-93bc-f7a0c47fd2b8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_RevolvingCreditFacilityDueApril2022Member_228b7424-67ee-4f75-b6bb-0e593fb00353" xlink:href="fnf-20200331.xsd#fnf_RevolvingCreditFacilityDueApril2022Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a658fe0a-1f52-42f4-bca0-f4da245f1f80" xlink:to="loc_fnf_RevolvingCreditFacilityDueApril2022Member_228b7424-67ee-4f75-b6bb-0e593fb00353" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_057818ea-c62a-42e1-8972-c72b28c62c51" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_faf7cce2-c2db-4f74-8a2d-8f61cad7b78c" xlink:to="loc_us-gaap_CreditFacilityAxis_057818ea-c62a-42e1-8972-c72b28c62c51" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_057818ea-c62a-42e1-8972-c72b28c62c51_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_057818ea-c62a-42e1-8972-c72b28c62c51" xlink:to="loc_us-gaap_CreditFacilityDomain_057818ea-c62a-42e1-8972-c72b28c62c51_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_225600fb-d172-4909-a15e-9ea8ff16de9f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_057818ea-c62a-42e1-8972-c72b28c62c51" xlink:to="loc_us-gaap_CreditFacilityDomain_225600fb-d172-4909-a15e-9ea8ff16de9f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_4920bb67-fb69-4191-88d5-030dc2d08d3b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_225600fb-d172-4909-a15e-9ea8ff16de9f" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_4920bb67-fb69-4191-88d5-030dc2d08d3b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/NotesPayableLongTermDebtNarrativeDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#NotesPayableLongTermDebtNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/NotesPayableLongTermDebtNarrativeDetails" xlink:type="extended" id="i3a9364f571464193ad8a30b0b8034627_NotesPayableLongTermDebtNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_26fb37e0-4a8e-4838-bcaa-c1e212c3e450" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue_db31a092-c27d-412a-8c9f-3dbfdca355b6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26fb37e0-4a8e-4838-bcaa-c1e212c3e450" xlink:to="loc_us-gaap_LongTermDebtFairValue_db31a092-c27d-412a-8c9f-3dbfdca355b6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_LongtermDebtFairValueAmountOverCarryingValue_0a40b4cd-4bf3-48c0-b003-20207bd6e138" xlink:href="fnf-20200331.xsd#fnf_LongtermDebtFairValueAmountOverCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26fb37e0-4a8e-4838-bcaa-c1e212c3e450" xlink:to="loc_fnf_LongtermDebtFairValueAmountOverCarryingValue_0a40b4cd-4bf3-48c0-b003-20207bd6e138" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_95f4c202-4e4a-4bc9-bebd-7ac816e9e5dd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26fb37e0-4a8e-4838-bcaa-c1e212c3e450" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_95f4c202-4e4a-4bc9-bebd-7ac816e9e5dd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_dd38f738-aecf-44d1-80c8-2a1d2a7839ca" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_26fb37e0-4a8e-4838-bcaa-c1e212c3e450" xlink:to="loc_us-gaap_DebtInstrumentTable_dd38f738-aecf-44d1-80c8-2a1d2a7839ca" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_389f3e94-c5a0-4e1d-b423-831c60971413" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_dd38f738-aecf-44d1-80c8-2a1d2a7839ca" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_389f3e94-c5a0-4e1d-b423-831c60971413" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_389f3e94-c5a0-4e1d-b423-831c60971413_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_389f3e94-c5a0-4e1d-b423-831c60971413" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_389f3e94-c5a0-4e1d-b423-831c60971413_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_aeecec3c-7f4f-42ba-847b-75145b322d5e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_389f3e94-c5a0-4e1d-b423-831c60971413" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_aeecec3c-7f4f-42ba-847b-75145b322d5e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_c3895a5d-8d7a-44a4-ae61-1b97b41f7bb3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_aeecec3c-7f4f-42ba-847b-75145b322d5e" xlink:to="loc_us-gaap_UnsecuredDebtMember_c3895a5d-8d7a-44a4-ae61-1b97b41f7bb3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_752bbc04-ea09-46fc-b220-4fa64742182c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_dd38f738-aecf-44d1-80c8-2a1d2a7839ca" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_752bbc04-ea09-46fc-b220-4fa64742182c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_752bbc04-ea09-46fc-b220-4fa64742182c_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_752bbc04-ea09-46fc-b220-4fa64742182c" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_752bbc04-ea09-46fc-b220-4fa64742182c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0e852523-0c3b-41ee-8ad0-1e1b3ebf321c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_752bbc04-ea09-46fc-b220-4fa64742182c" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0e852523-0c3b-41ee-8ad0-1e1b3ebf321c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_75b2a4a6-352c-4966-9e8b-0848fd4d5f7b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_0e852523-0c3b-41ee-8ad0-1e1b3ebf321c" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_75b2a4a6-352c-4966-9e8b-0848fd4d5f7b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/NotesPayable450NotesDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#NotesPayable450NotesDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/NotesPayable450NotesDetails" xlink:type="extended" id="ib80add8944ca49ca9be87b3a2e564edd_NotesPayable450NotesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_891fe906-eb8d-4ea7-b98a-a08d34e8c56e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_68a7700d-3feb-4e13-b9d4-f84af12d37b9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_891fe906-eb8d-4ea7-b98a-a08d34e8c56e" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_68a7700d-3feb-4e13-b9d4-f84af12d37b9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_4960b9b7-b800-4833-bbb2-19a4c4a231b5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_891fe906-eb8d-4ea7-b98a-a08d34e8c56e" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_4960b9b7-b800-4833-bbb2-19a4c4a231b5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_PriceAsPercentOfParOnOfferingOfUnsecuredNotes_3f7b2e7c-b2d2-414d-b1a5-9635caa84a8d" xlink:href="fnf-20200331.xsd#fnf_PriceAsPercentOfParOnOfferingOfUnsecuredNotes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_891fe906-eb8d-4ea7-b98a-a08d34e8c56e" xlink:to="loc_fnf_PriceAsPercentOfParOnOfferingOfUnsecuredNotes_3f7b2e7c-b2d2-414d-b1a5-9635caa84a8d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_c8b1e748-e411-4c83-aed7-ff4df76305ee" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_891fe906-eb8d-4ea7-b98a-a08d34e8c56e" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_c8b1e748-e411-4c83-aed7-ff4df76305ee" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_85918112-92b8-499d-8344-d3a7bed30cbe" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_891fe906-eb8d-4ea7-b98a-a08d34e8c56e" xlink:to="loc_us-gaap_DebtInstrumentTable_85918112-92b8-499d-8344-d3a7bed30cbe" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_b1245037-cca1-40a5-925c-d64874e8f079" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_85918112-92b8-499d-8344-d3a7bed30cbe" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_b1245037-cca1-40a5-925c-d64874e8f079" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_b1245037-cca1-40a5-925c-d64874e8f079_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_b1245037-cca1-40a5-925c-d64874e8f079" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_b1245037-cca1-40a5-925c-d64874e8f079_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_dbb59dd4-cbcf-4eec-a894-ecf1c02895c2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_b1245037-cca1-40a5-925c-d64874e8f079" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_dbb59dd4-cbcf-4eec-a894-ecf1c02895c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_4b6bb23d-af40-4aaa-85c3-abb791d983e6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_dbb59dd4-cbcf-4eec-a894-ecf1c02895c2" xlink:to="loc_us-gaap_UnsecuredDebtMember_4b6bb23d-af40-4aaa-85c3-abb791d983e6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_2d47f5da-2470-4789-8ef4-d89ead08ee0a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_85918112-92b8-499d-8344-d3a7bed30cbe" xlink:to="loc_us-gaap_DebtInstrumentAxis_2d47f5da-2470-4789-8ef4-d89ead08ee0a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_2d47f5da-2470-4789-8ef4-d89ead08ee0a_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_2d47f5da-2470-4789-8ef4-d89ead08ee0a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_2d47f5da-2470-4789-8ef4-d89ead08ee0a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_58867584-3a8b-400b-81c6-c1286419271f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_2d47f5da-2470-4789-8ef4-d89ead08ee0a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_58867584-3a8b-400b-81c6-c1286419271f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_FourPointFiveZeroPercentUnsecuredNotesDueAugust2028Member_6dce2e0a-09d0-49c1-af5d-96f3a2417556" xlink:href="fnf-20200331.xsd#fnf_FourPointFiveZeroPercentUnsecuredNotesDueAugust2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_58867584-3a8b-400b-81c6-c1286419271f" xlink:to="loc_fnf_FourPointFiveZeroPercentUnsecuredNotesDueAugust2028Member_6dce2e0a-09d0-49c1-af5d-96f3a2417556" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/NotesPayableExistingCreditAgreementDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#NotesPayableExistingCreditAgreementDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/NotesPayableExistingCreditAgreementDetails" xlink:type="extended" id="i85d499a902894449aea8e8d08bacc4d3_NotesPayableExistingCreditAgreementDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_741c9a69-073d-4f1b-ad96-09dfc93b9369" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_5620b282-f8a0-468f-b38a-0a67f8db6cac" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_741c9a69-073d-4f1b-ad96-09dfc93b9369" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_5620b282-f8a0-468f-b38a-0a67f8db6cac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_489e667a-32df-4738-83d6-7cd240b549e5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_741c9a69-073d-4f1b-ad96-09dfc93b9369" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_489e667a-32df-4738-83d6-7cd240b549e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet_07383648-f131-441d-9204-c58f1f393f0b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_741c9a69-073d-4f1b-ad96-09dfc93b9369" xlink:to="loc_us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet_07383648-f131-441d-9204-c58f1f393f0b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_e33fb2d3-394a-4459-9221-00c4174453ae" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_741c9a69-073d-4f1b-ad96-09dfc93b9369" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_e33fb2d3-394a-4459-9221-00c4174453ae" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_11ec129c-a164-49e5-b709-0ce3f1807713" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_741c9a69-073d-4f1b-ad96-09dfc93b9369" xlink:to="loc_us-gaap_DebtInstrumentTable_11ec129c-a164-49e5-b709-0ce3f1807713" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_8f68c10a-9668-4abb-ad30-5ff59165314a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_11ec129c-a164-49e5-b709-0ce3f1807713" xlink:to="loc_us-gaap_CreditFacilityAxis_8f68c10a-9668-4abb-ad30-5ff59165314a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_8f68c10a-9668-4abb-ad30-5ff59165314a_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_8f68c10a-9668-4abb-ad30-5ff59165314a" xlink:to="loc_us-gaap_CreditFacilityDomain_8f68c10a-9668-4abb-ad30-5ff59165314a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_e0284aeb-c8c1-42db-b5e9-8ef4797fe6ca" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_8f68c10a-9668-4abb-ad30-5ff59165314a" xlink:to="loc_us-gaap_CreditFacilityDomain_e0284aeb-c8c1-42db-b5e9-8ef4797fe6ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_5e3b8e84-9370-4f89-94fa-0dd60d913abd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_e0284aeb-c8c1-42db-b5e9-8ef4797fe6ca" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_5e3b8e84-9370-4f89-94fa-0dd60d913abd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_0e626913-a962-4d5e-bfa3-80ea7b3a7f79" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_11ec129c-a164-49e5-b709-0ce3f1807713" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_0e626913-a962-4d5e-bfa3-80ea7b3a7f79" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0e626913-a962-4d5e-bfa3-80ea7b3a7f79_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_0e626913-a962-4d5e-bfa3-80ea7b3a7f79" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0e626913-a962-4d5e-bfa3-80ea7b3a7f79_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_d30d7b42-bf51-4e8e-aed6-af7eafdc3373" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_0e626913-a962-4d5e-bfa3-80ea7b3a7f79" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_d30d7b42-bf51-4e8e-aed6-af7eafdc3373" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_b9eb7663-1afc-4033-b4d4-b8c5d3d6abec" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d30d7b42-bf51-4e8e-aed6-af7eafdc3373" xlink:to="loc_us-gaap_LineOfCreditMember_b9eb7663-1afc-4033-b4d4-b8c5d3d6abec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_3a127273-904e-4330-a229-0460521a7862" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_11ec129c-a164-49e5-b709-0ce3f1807713" xlink:to="loc_us-gaap_DebtInstrumentAxis_3a127273-904e-4330-a229-0460521a7862" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_3a127273-904e-4330-a229-0460521a7862_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_3a127273-904e-4330-a229-0460521a7862" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_3a127273-904e-4330-a229-0460521a7862_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_db7653a0-2d55-46a0-8c14-c914057eacbb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_3a127273-904e-4330-a229-0460521a7862" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_db7653a0-2d55-46a0-8c14-c914057eacbb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_RevolvingCreditFacilityDueApril2022Member_b9f6c494-9b01-49a2-a8a9-7f592a7d60ba" xlink:href="fnf-20200331.xsd#fnf_RevolvingCreditFacilityDueApril2022Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_db7653a0-2d55-46a0-8c14-c914057eacbb" xlink:to="loc_fnf_RevolvingCreditFacilityDueApril2022Member_b9f6c494-9b01-49a2-a8a9-7f592a7d60ba" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/NotesPayable550NotesDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#NotesPayable550NotesDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/NotesPayable550NotesDetails" xlink:type="extended" id="ie207102f1f3a4023957ece08d98b405e_NotesPayable550NotesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_901797ce-5668-4e1d-bd7e-61332a1423c0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_30e1dd39-6634-41df-8cee-d5819ed106dc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_901797ce-5668-4e1d-bd7e-61332a1423c0" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_30e1dd39-6634-41df-8cee-d5819ed106dc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_df52d1cf-d7fb-4cbf-85ba-57ee82d8e764" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_901797ce-5668-4e1d-bd7e-61332a1423c0" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_df52d1cf-d7fb-4cbf-85ba-57ee82d8e764" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_5f8930b9-f99b-4331-9096-373a0e202b6c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_901797ce-5668-4e1d-bd7e-61332a1423c0" xlink:to="loc_us-gaap_DebtInstrumentTable_5f8930b9-f99b-4331-9096-373a0e202b6c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_a017cc0a-a25d-44f7-9342-f85ae55ac81b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_5f8930b9-f99b-4331-9096-373a0e202b6c" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_a017cc0a-a25d-44f7-9342-f85ae55ac81b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_a017cc0a-a25d-44f7-9342-f85ae55ac81b_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_a017cc0a-a25d-44f7-9342-f85ae55ac81b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_a017cc0a-a25d-44f7-9342-f85ae55ac81b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_22c78018-aa44-4986-ae45-814cc61bb743" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_a017cc0a-a25d-44f7-9342-f85ae55ac81b" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_22c78018-aa44-4986-ae45-814cc61bb743" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_8c7d69ca-3c9b-4de6-9777-542d25932416" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_22c78018-aa44-4986-ae45-814cc61bb743" xlink:to="loc_us-gaap_UnsecuredDebtMember_8c7d69ca-3c9b-4de6-9777-542d25932416" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_4fac51ba-af65-424c-974f-aad6a24394c3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_5f8930b9-f99b-4331-9096-373a0e202b6c" xlink:to="loc_us-gaap_DebtInstrumentAxis_4fac51ba-af65-424c-974f-aad6a24394c3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_4fac51ba-af65-424c-974f-aad6a24394c3_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_4fac51ba-af65-424c-974f-aad6a24394c3" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_4fac51ba-af65-424c-974f-aad6a24394c3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_e5b4aeee-4793-4bc4-8826-a0ce73c48770" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_4fac51ba-af65-424c-974f-aad6a24394c3" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_e5b4aeee-4793-4bc4-8826-a0ce73c48770" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_FivePointFiveZeroPercentUnsecuredNotesDueSeptember2022Member_f78ab163-f078-49ed-aa02-5f6ae0c3d348" xlink:href="fnf-20200331.xsd#fnf_FivePointFiveZeroPercentUnsecuredNotesDueSeptember2022Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e5b4aeee-4793-4bc4-8826-a0ce73c48770" xlink:to="loc_fnf_FivePointFiveZeroPercentUnsecuredNotesDueSeptember2022Member_f78ab163-f078-49ed-aa02-5f6ae0c3d348" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/NotesPayablePrincipalMaturitiesofNotesPayableDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#NotesPayablePrincipalMaturitiesofNotesPayableDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/NotesPayablePrincipalMaturitiesofNotesPayableDetails" xlink:type="extended" id="i2d7fc5a27055468d98632b3361c7acf8_NotesPayablePrincipalMaturitiesofNotesPayableDetails"/>
  <link:roleRef roleURI="http://www.fnf.com/role/CommitmentsandContingencies" xlink:type="simple" xlink:href="fnf-20200331.xsd#CommitmentsandContingencies"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/CommitmentsandContingencies" xlink:type="extended" id="i286325312dca43c495ba2392f800b76e_CommitmentsandContingencies"/>
  <link:roleRef roleURI="http://www.fnf.com/role/CommitmentsandContingenciesNarrativeDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#CommitmentsandContingenciesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/CommitmentsandContingenciesNarrativeDetails" xlink:type="extended" id="i02f3e7d5f2f94186899f0df908d48510_CommitmentsandContingenciesNarrativeDetails"/>
  <link:roleRef roleURI="http://www.fnf.com/role/Dividends" xlink:type="simple" xlink:href="fnf-20200331.xsd#Dividends"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/Dividends" xlink:type="extended" id="ic5fd08cb85214bb9bc6c8d05b84ee439_Dividends"/>
  <link:roleRef roleURI="http://www.fnf.com/role/DividendsDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#DividendsDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/DividendsDetails" xlink:type="extended" id="if4776e49020f41c68e8cd133e367b169_DividendsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_e5d85971-5e6d-46d6-8ffa-40fc4fcee66a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_32909e8a-dc8e-472b-affd-3cdcd2795570" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_e5d85971-5e6d-46d6-8ffa-40fc4fcee66a" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_32909e8a-dc8e-472b-affd-3cdcd2795570" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_81cc198d-4585-47e9-95d3-474288c2503b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_e5d85971-5e6d-46d6-8ffa-40fc4fcee66a" xlink:to="loc_us-gaap_SubsequentEventTable_81cc198d-4585-47e9-95d3-474288c2503b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_4274ffdf-5f73-4fa1-81e7-f18d92bcb7ca" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_81cc198d-4585-47e9-95d3-474288c2503b" xlink:to="loc_us-gaap_StatementClassOfStockAxis_4274ffdf-5f73-4fa1-81e7-f18d92bcb7ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_4274ffdf-5f73-4fa1-81e7-f18d92bcb7ca_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_4274ffdf-5f73-4fa1-81e7-f18d92bcb7ca" xlink:to="loc_us-gaap_ClassOfStockDomain_4274ffdf-5f73-4fa1-81e7-f18d92bcb7ca_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_b0a1f527-c2b3-4657-bd99-dcb3f9270002" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_4274ffdf-5f73-4fa1-81e7-f18d92bcb7ca" xlink:to="loc_us-gaap_ClassOfStockDomain_b0a1f527-c2b3-4657-bd99-dcb3f9270002" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_FidelityNationalFinancialGroupCommonStockMember_b953fa7c-84df-4735-bf3b-b1b6a34b7bf3" xlink:href="fnf-20200331.xsd#fnf_FidelityNationalFinancialGroupCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_b0a1f527-c2b3-4657-bd99-dcb3f9270002" xlink:to="loc_fnf_FidelityNationalFinancialGroupCommonStockMember_b953fa7c-84df-4735-bf3b-b1b6a34b7bf3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_bf2b7653-49cd-4f5a-b0c7-8193e4a87975" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_81cc198d-4585-47e9-95d3-474288c2503b" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_bf2b7653-49cd-4f5a-b0c7-8193e4a87975" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_bf2b7653-49cd-4f5a-b0c7-8193e4a87975_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_bf2b7653-49cd-4f5a-b0c7-8193e4a87975" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_bf2b7653-49cd-4f5a-b0c7-8193e4a87975_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_10062f6d-9604-4d0c-81c5-4aa23d317373" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_bf2b7653-49cd-4f5a-b0c7-8193e4a87975" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_10062f6d-9604-4d0c-81c5-4aa23d317373" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_872a9a75-acf4-41ed-9b0f-41dbfe751b98" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_10062f6d-9604-4d0c-81c5-4aa23d317373" xlink:to="loc_us-gaap_SubsequentEventMember_872a9a75-acf4-41ed-9b0f-41dbfe751b98" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/SegmentInformation" xlink:type="simple" xlink:href="fnf-20200331.xsd#SegmentInformation"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/SegmentInformation" xlink:type="extended" id="i4a6ee88c1b764219a1487cbcc4fe66a2_SegmentInformation"/>
  <link:roleRef roleURI="http://www.fnf.com/role/SegmentInformationTables" xlink:type="simple" xlink:href="fnf-20200331.xsd#SegmentInformationTables"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/SegmentInformationTables" xlink:type="extended" id="i7de2fcc3b0e046b492eccac0dc8976e7_SegmentInformationTables"/>
  <link:roleRef roleURI="http://www.fnf.com/role/SegmentInformationScheduleofSegmentReportingInformationDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#SegmentInformationScheduleofSegmentReportingInformationDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/SegmentInformationScheduleofSegmentReportingInformationDetails" xlink:type="extended" id="i76f5ec36e40b43e785ffe1f356c2d3d9_SegmentInformationScheduleofSegmentReportingInformationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PremiumsWrittenNet_b738ad6f-459e-4e75-9234-e37fde199bf2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PremiumsWrittenNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_PremiumsWrittenNet_b738ad6f-459e-4e75-9234-e37fde199bf2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InsuranceCommissionsAndFees_83055cec-1099-47ec-9a59-5da630e22208" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceCommissionsAndFees"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_InsuranceCommissionsAndFees_83055cec-1099-47ec-9a59-5da630e22208" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InsuranceServicesRevenue_e091cf1e-21f7-40ab-84d7-99bc1d682af2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InsuranceServicesRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_InsuranceServicesRevenue_e091cf1e-21f7-40ab-84d7-99bc1d682af2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_NetInvestmentIncomeAndGainLossOnInvestments_480da9a2-7fb0-4d2e-8609-2391fd8d181e" xlink:href="fnf-20200331.xsd#fnf_NetInvestmentIncomeAndGainLossOnInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_fnf_NetInvestmentIncomeAndGainLossOnInvestments_480da9a2-7fb0-4d2e-8609-2391fd8d181e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_55d21fa0-43ae-46ea-a968-905c47cae375" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_Revenues_55d21fa0-43ae-46ea-a968-905c47cae375" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_94082aee-cd28-4f39-bee8-d534a1f637f1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_DepreciationAndAmortization_94082aee-cd28-4f39-bee8-d534a1f637f1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_cbec0ac4-5e60-44ee-9062-023894b19f1f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_InterestExpense_cbec0ac4-5e60-44ee-9062-023894b19f1f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_38f772ea-3ff4-4f53-b743-be577fbf48bd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_38f772ea-3ff4-4f53-b743-be577fbf48bd" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_53289191-1ca9-47ec-9809-5ffb1d2841f2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_53289191-1ca9-47ec-9809-5ffb1d2841f2" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_IncomeLossFromContinuingOperationsBeforeMinorityInterestAndIncomeLossOnEquityMethodInvestmentsNetOfIncomeTax_3de26882-ec2d-400e-ba17-a13b7437cb5b" xlink:href="fnf-20200331.xsd#fnf_IncomeLossFromContinuingOperationsBeforeMinorityInterestAndIncomeLossOnEquityMethodInvestmentsNetOfIncomeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_fnf_IncomeLossFromContinuingOperationsBeforeMinorityInterestAndIncomeLossOnEquityMethodInvestmentsNetOfIncomeTax_3de26882-ec2d-400e-ba17-a13b7437cb5b" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_fb9b8dc3-d48a-450d-8dea-8b8e8951f207" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_fb9b8dc3-d48a-450d-8dea-8b8e8951f207" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_c967092f-cd7f-46c6-b150-03dca563ab3d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_ProfitLoss_c967092f-cd7f-46c6-b150-03dca563ab3d" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_e7825b3f-e676-471d-84e7-3c9e2cd47b74" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_Assets_e7825b3f-e676-471d-84e7-3c9e2cd47b74" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_efbb89e9-3732-41d9-9e1c-b41eb5ca9ad6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_Goodwill_efbb89e9-3732-41d9-9e1c-b41eb5ca9ad6" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6fa48f77-6669-4ab4-89bc-654a4b8e2027" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_138c884b-8400-45a6-9287-1bd9a3a8067a" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6fa48f77-6669-4ab4-89bc-654a4b8e2027" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_19e15cdb-0f7c-49cf-a577-aa341a2215a3" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6fa48f77-6669-4ab4-89bc-654a4b8e2027" xlink:to="loc_srt_ConsolidationItemsAxis_19e15cdb-0f7c-49cf-a577-aa341a2215a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_19e15cdb-0f7c-49cf-a577-aa341a2215a3_default" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_19e15cdb-0f7c-49cf-a577-aa341a2215a3" xlink:to="loc_srt_ConsolidationItemsDomain_19e15cdb-0f7c-49cf-a577-aa341a2215a3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_6c3fed1a-f4b7-4c1d-ada7-0a06f9bf49e3" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_19e15cdb-0f7c-49cf-a577-aa341a2215a3" xlink:to="loc_srt_ConsolidationItemsDomain_6c3fed1a-f4b7-4c1d-ada7-0a06f9bf49e3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_12c8ee75-d755-492d-8a3b-5bd12bc502d0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_6c3fed1a-f4b7-4c1d-ada7-0a06f9bf49e3" xlink:to="loc_us-gaap_OperatingSegmentsMember_12c8ee75-d755-492d-8a3b-5bd12bc502d0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_c6167ea1-b089-4019-8db8-0a12808f5c74" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6fa48f77-6669-4ab4-89bc-654a4b8e2027" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_c6167ea1-b089-4019-8db8-0a12808f5c74" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_c6167ea1-b089-4019-8db8-0a12808f5c74_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_c6167ea1-b089-4019-8db8-0a12808f5c74" xlink:to="loc_us-gaap_SegmentDomain_c6167ea1-b089-4019-8db8-0a12808f5c74_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_750de48d-c583-4e9d-92d8-b0097acff30b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_c6167ea1-b089-4019-8db8-0a12808f5c74" xlink:to="loc_us-gaap_SegmentDomain_750de48d-c583-4e9d-92d8-b0097acff30b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_TitleSubsegmentMember_e0bc02e1-a402-45bf-be82-908badacb9e1" xlink:href="fnf-20200331.xsd#fnf_TitleSubsegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_750de48d-c583-4e9d-92d8-b0097acff30b" xlink:to="loc_fnf_TitleSubsegmentMember_e0bc02e1-a402-45bf-be82-908badacb9e1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_CorporateAndReconcilingItemsMember_3508f40e-8295-49af-8b38-c95ab03ce69e" xlink:href="fnf-20200331.xsd#fnf_CorporateAndReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_750de48d-c583-4e9d-92d8-b0097acff30b" xlink:to="loc_fnf_CorporateAndReconcilingItemsMember_3508f40e-8295-49af-8b38-c95ab03ce69e" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/SupplementalCashFlowInformation" xlink:type="simple" xlink:href="fnf-20200331.xsd#SupplementalCashFlowInformation"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/SupplementalCashFlowInformation" xlink:type="extended" id="i99b81855af204ce0920d891d88e5ed1b_SupplementalCashFlowInformation"/>
  <link:roleRef roleURI="http://www.fnf.com/role/SupplementalCashFlowInformationTables" xlink:type="simple" xlink:href="fnf-20200331.xsd#SupplementalCashFlowInformationTables"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/SupplementalCashFlowInformationTables" xlink:type="extended" id="idba39f29567842878eee7dfd28975cff_SupplementalCashFlowInformationTables"/>
  <link:roleRef roleURI="http://www.fnf.com/role/SupplementalCashFlowInformationDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#SupplementalCashFlowInformationDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/SupplementalCashFlowInformationDetails" xlink:type="extended" id="i1bc203346a3e47139bf55cca34a2f438_SupplementalCashFlowInformationDetails"/>
  <link:roleRef roleURI="http://www.fnf.com/role/RevenueRecognition" xlink:type="simple" xlink:href="fnf-20200331.xsd#RevenueRecognition"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/RevenueRecognition" xlink:type="extended" id="i84b22b41840849b0856e42e78dc0ecc3_RevenueRecognition"/>
  <link:roleRef roleURI="http://www.fnf.com/role/RevenueRecognitionTables" xlink:type="simple" xlink:href="fnf-20200331.xsd#RevenueRecognitionTables"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/RevenueRecognitionTables" xlink:type="extended" id="i543a3e7c330b484c95f09215f275dde3_RevenueRecognitionTables"/>
  <link:roleRef roleURI="http://www.fnf.com/role/RevenueRecognitionDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#RevenueRecognitionDisaggregationofRevenueDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/RevenueRecognitionDisaggregationofRevenueDetails" xlink:type="extended" id="i2127a0bed17446f38912ba9bace7ff1b_RevenueRecognitionDisaggregationofRevenueDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_deeebd20-47c4-4d45-bec2-8a4eacb61367" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_f91051c2-dfa8-412b-93e0-a724a1fa72f9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_deeebd20-47c4-4d45-bec2-8a4eacb61367" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_f91051c2-dfa8-412b-93e0-a724a1fa72f9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FeesAndCommissionsMortgageBankingAndServicing_3a9f2de0-1bb8-4a34-a140-d16411a9eebd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FeesAndCommissionsMortgageBankingAndServicing"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_deeebd20-47c4-4d45-bec2-8a4eacb61367" xlink:to="loc_us-gaap_FeesAndCommissionsMortgageBankingAndServicing_3a9f2de0-1bb8-4a34-a140-d16411a9eebd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentIncome_4624016b-6520-4d77-ae53-252106b44a50" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetInvestmentIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_deeebd20-47c4-4d45-bec2-8a4eacb61367" xlink:to="loc_us-gaap_NetInvestmentIncome_4624016b-6520-4d77-ae53-252106b44a50" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInvestments_277f8fd5-cc86-4410-904f-3eedb04a0ee8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_deeebd20-47c4-4d45-bec2-8a4eacb61367" xlink:to="loc_us-gaap_GainLossOnInvestments_277f8fd5-cc86-4410-904f-3eedb04a0ee8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_f8f88111-ada8-4797-8703-3aff93a21d24" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_deeebd20-47c4-4d45-bec2-8a4eacb61367" xlink:to="loc_us-gaap_Revenues_f8f88111-ada8-4797-8703-3aff93a21d24" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_d22e89a7-2981-4ca1-89d2-8acf8c42bf41" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_deeebd20-47c4-4d45-bec2-8a4eacb61367" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_d22e89a7-2981-4ca1-89d2-8acf8c42bf41" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_f6ab5603-c61c-4e8f-8d24-dbf5f2187267" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_d22e89a7-2981-4ca1-89d2-8acf8c42bf41" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_f6ab5603-c61c-4e8f-8d24-dbf5f2187267" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_f6ab5603-c61c-4e8f-8d24-dbf5f2187267_default" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_f6ab5603-c61c-4e8f-8d24-dbf5f2187267" xlink:to="loc_us-gaap_SegmentDomain_f6ab5603-c61c-4e8f-8d24-dbf5f2187267_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_96fda2ee-ac0b-400d-92f7-4d0f1956f6dd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_f6ab5603-c61c-4e8f-8d24-dbf5f2187267" xlink:to="loc_us-gaap_SegmentDomain_96fda2ee-ac0b-400d-92f7-4d0f1956f6dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_TitleSubsegmentMember_977ef6a9-bd5e-405d-9da0-8d1942b7b4fa" xlink:href="fnf-20200331.xsd#fnf_TitleSubsegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_96fda2ee-ac0b-400d-92f7-4d0f1956f6dd" xlink:to="loc_fnf_TitleSubsegmentMember_977ef6a9-bd5e-405d-9da0-8d1942b7b4fa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_CorporateAndReconcilingItemsMember_a1cfeea5-cd7d-4836-9fd8-bfd632236b10" xlink:href="fnf-20200331.xsd#fnf_CorporateAndReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_96fda2ee-ac0b-400d-92f7-4d0f1956f6dd" xlink:to="loc_fnf_CorporateAndReconcilingItemsMember_a1cfeea5-cd7d-4836-9fd8-bfd632236b10" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_24c2809c-8485-4d3c-a23e-a911c99340af" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_d22e89a7-2981-4ca1-89d2-8acf8c42bf41" xlink:to="loc_srt_ProductOrServiceAxis_24c2809c-8485-4d3c-a23e-a911c99340af" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_24c2809c-8485-4d3c-a23e-a911c99340af_default" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_24c2809c-8485-4d3c-a23e-a911c99340af" xlink:to="loc_srt_ProductsAndServicesDomain_24c2809c-8485-4d3c-a23e-a911c99340af_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_2da6c75d-7339-4bd8-9658-9bc69659a63c" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_24c2809c-8485-4d3c-a23e-a911c99340af" xlink:to="loc_srt_ProductsAndServicesDomain_2da6c75d-7339-4bd8-9658-9bc69659a63c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_InsuranceContractsDirectTitleInsurancePremiumsMember_741b3240-f21f-4ffd-bea2-a53b0e4b353e" xlink:href="fnf-20200331.xsd#fnf_InsuranceContractsDirectTitleInsurancePremiumsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_2da6c75d-7339-4bd8-9658-9bc69659a63c" xlink:to="loc_fnf_InsuranceContractsDirectTitleInsurancePremiumsMember_741b3240-f21f-4ffd-bea2-a53b0e4b353e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_InsuranceContractsAgencyTitleInsurancePremiumsMember_37210c5f-8e4a-4724-ba66-dd7abbc39b2f" xlink:href="fnf-20200331.xsd#fnf_InsuranceContractsAgencyTitleInsurancePremiumsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_2da6c75d-7339-4bd8-9658-9bc69659a63c" xlink:to="loc_fnf_InsuranceContractsAgencyTitleInsurancePremiumsMember_37210c5f-8e4a-4724-ba66-dd7abbc39b2f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_InsuranceContractsHomeWarrantyMember_c55b0525-7c7b-4215-887a-2c2884aa52d5" xlink:href="fnf-20200331.xsd#fnf_InsuranceContractsHomeWarrantyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_2da6c75d-7339-4bd8-9658-9bc69659a63c" xlink:to="loc_fnf_InsuranceContractsHomeWarrantyMember_c55b0525-7c7b-4215-887a-2c2884aa52d5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_InsuranceContractsMember_6e3ce2e3-1c08-46b8-83ac-d6a8df97bdfe" xlink:href="fnf-20200331.xsd#fnf_InsuranceContractsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_2da6c75d-7339-4bd8-9658-9bc69659a63c" xlink:to="loc_fnf_InsuranceContractsMember_6e3ce2e3-1c08-46b8-83ac-d6a8df97bdfe" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_EscrowFeesMember_c2d48fa1-8ea1-4f4c-adcd-0f2fe6a2bbf9" xlink:href="fnf-20200331.xsd#fnf_EscrowFeesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_2da6c75d-7339-4bd8-9658-9bc69659a63c" xlink:to="loc_fnf_EscrowFeesMember_c2d48fa1-8ea1-4f4c-adcd-0f2fe6a2bbf9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_OtherTitleRelatedFeesAndIncomeMember_dab0e8d5-ddb0-4f42-86f4-c4684225753c" xlink:href="fnf-20200331.xsd#fnf_OtherTitleRelatedFeesAndIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_2da6c75d-7339-4bd8-9658-9bc69659a63c" xlink:to="loc_fnf_OtherTitleRelatedFeesAndIncomeMember_dab0e8d5-ddb0-4f42-86f4-c4684225753c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_ServiceLinkExcludingTitlePremiumsEscrowFeesAndSubservicingFeesMember_9e91508e-eb04-437b-8910-e4c085bd7869" xlink:href="fnf-20200331.xsd#fnf_ServiceLinkExcludingTitlePremiumsEscrowFeesAndSubservicingFeesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_2da6c75d-7339-4bd8-9658-9bc69659a63c" xlink:to="loc_fnf_ServiceLinkExcludingTitlePremiumsEscrowFeesAndSubservicingFeesMember_9e91508e-eb04-437b-8910-e4c085bd7869" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_RealEstateTechnologyMember_b6505f6b-29ae-4dbd-847e-2be0cd60655b" xlink:href="fnf-20200331.xsd#fnf_RealEstateTechnologyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_2da6c75d-7339-4bd8-9658-9bc69659a63c" xlink:to="loc_fnf_RealEstateTechnologyMember_b6505f6b-29ae-4dbd-847e-2be0cd60655b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_ReatEstateBrokerageMember_0df68b85-2809-4b3a-980b-b9c58d825c57" xlink:href="fnf-20200331.xsd#fnf_ReatEstateBrokerageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_2da6c75d-7339-4bd8-9658-9bc69659a63c" xlink:to="loc_fnf_ReatEstateBrokerageMember_0df68b85-2809-4b3a-980b-b9c58d825c57" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_fnf_OtherProductsAndServicesMember_654ada45-807e-44b8-b18b-a719907260dd" xlink:href="fnf-20200331.xsd#fnf_OtherProductsAndServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_2da6c75d-7339-4bd8-9658-9bc69659a63c" xlink:to="loc_fnf_OtherProductsAndServicesMember_654ada45-807e-44b8-b18b-a719907260dd" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.fnf.com/role/RevenueRecognitionInformationaboutReceivablesandDeferredRevenueDetails" xlink:type="simple" xlink:href="fnf-20200331.xsd#RevenueRecognitionInformationaboutReceivablesandDeferredRevenueDetails"/>
  <link:definitionLink xlink:role="http://www.fnf.com/role/RevenueRecognitionInformationaboutReceivablesandDeferredRevenueDetails" xlink:type="extended" id="i911c2209e41b4f5eb74d1d0a2380fe09_RevenueRecognitionInformationaboutReceivablesandDeferredRevenueDetails"/>
</link:linkbase>
