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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019fce12-ad47-7787-be24-0b1aeda681ae,g:969a493f-1f6f-43b4-a4cf-2a06a6d85041-->
<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.pbfenergy.com/role/DocumentandEntityInformation" xlink:type="simple" xlink:href="pbf-20260930.xsd#DocumentandEntityInformation"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/DocumentandEntityInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable_019fce12-b039-7095-87db-099931b48953" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntitiesTable_019fce12-b039-7095-87db-099931b48953" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7fe8-9c17-b9351046b6b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_019fce12-b039-7095-87db-099931b48953" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7fe8-9c17-b9351046b6b6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7fe8-9c17-b9351046b6b6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7fe8-9c17-b9351046b6b6" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7fe8-9c17-b9351046b6b6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7bef-adba-22aa60d6183b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7fe8-9c17-b9351046b6b6" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7bef-adba-22aa60d6183b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019fce12-b039-7145-95b6-efb2aaee7c99" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7bef-adba-22aa60d6183b" xlink:to="loc_us-gaap_CommonClassAMember_019fce12-b039-7145-95b6-efb2aaee7c99" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_019fce12-b039-7415-96fe-82f588b4598d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7bef-adba-22aa60d6183b" xlink:to="loc_us-gaap_CommonClassBMember_019fce12-b039-7415-96fe-82f588b4598d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019fce12-b039-785a-a707-1c2fc1e332a2" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_DocumentType_019fce12-b039-785a-a707-1c2fc1e332a2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_019fce12-b039-74ad-b042-900080eb76c7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentQuarterlyReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_DocumentQuarterlyReport_019fce12-b039-74ad-b042-900080eb76c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019fce12-b039-7863-94ad-04f31947e7c6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_DocumentPeriodEndDate_019fce12-b039-7863-94ad-04f31947e7c6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_019fce12-b039-702e-9780-36e909ad3293" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_DocumentTransitionReport_019fce12-b039-702e-9780-36e909ad3293" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019fce12-b039-7de3-8425-5e948d848397" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityFileNumber_019fce12-b039-7de3-8425-5e948d848397" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019fce12-b039-7d84-8f72-570864b3f587" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityRegistrantName_019fce12-b039-7d84-8f72-570864b3f587" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019fce12-b039-7d82-8bef-447f6eb5f4d8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019fce12-b039-7d82-8bef-447f6eb5f4d8" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019fce12-b039-75d8-9e36-1124f07b1d05" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityTaxIdentificationNumber_019fce12-b039-75d8-9e36-1124f07b1d05" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019fce12-b039-7f8d-b9d0-43ed6308405a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityAddressAddressLine1_019fce12-b039-7f8d-b9d0-43ed6308405a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019fce12-b039-704f-b2a8-365de96cea6e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityAddressCityOrTown_019fce12-b039-704f-b2a8-365de96cea6e" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019fce12-b039-7e7d-8db5-169f200a7b88" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityAddressStateOrProvince_019fce12-b039-7e7d-8db5-169f200a7b88" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019fce12-b039-7fad-8cd0-0579984ac89f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityAddressPostalZipCode_019fce12-b039-7fad-8cd0-0579984ac89f" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019fce12-b039-7bc2-ae2b-f8aad25a7204" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_CityAreaCode_019fce12-b039-7bc2-ae2b-f8aad25a7204" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019fce12-b039-76e3-a8f4-61adb4a99908" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_LocalPhoneNumber_019fce12-b039-76e3-a8f4-61adb4a99908" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019fce12-b039-752b-8e45-c4aacf6d51bd" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_Security12bTitle_019fce12-b039-752b-8e45-c4aacf6d51bd" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019fce12-b039-776f-86ce-ae882a343526" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_TradingSymbol_019fce12-b039-776f-86ce-ae882a343526" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019fce12-b039-7b4d-b84c-7f3b5ca8c39e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_SecurityExchangeName_019fce12-b039-7b4d-b84c-7f3b5ca8c39e" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_019fce12-b039-7bb4-82f7-e470d1d550f5" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityCurrentReportingStatus_019fce12-b039-7bb4-82f7-e470d1d550f5" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_019fce12-b039-70cc-9dda-e44eeea6f934" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityInteractiveDataCurrent_019fce12-b039-70cc-9dda-e44eeea6f934" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_019fce12-b039-739c-bff9-7f0d7653b8b6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityFilerCategory_019fce12-b039-739c-bff9-7f0d7653b8b6" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_019fce12-b039-7c23-84ca-39ed73525cb7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntitySmallBusiness_019fce12-b039-7c23-84ca-39ed73525cb7" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019fce12-b039-7404-bad3-5e35962baaaf" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityEmergingGrowthCompany_019fce12-b039-7404-bad3-5e35962baaaf" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_019fce12-b039-7bca-9202-113cced3f4bf" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityShellCompany_019fce12-b039-7bca-9202-113cced3f4bf" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_019fce12-b039-73ae-ba6b-1905eff23ada" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_019fce12-b039-73ae-ba6b-1905eff23ada" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019fce12-b039-7eb8-907e-bbf424b52466" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_EntityCentralIndexKey_019fce12-b039-7eb8-907e-bbf424b52466" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019fce12-b039-76b0-a5d6-082202d64bca" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_AmendmentFlag_019fce12-b039-76b0-a5d6-082202d64bca" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_019fce12-b039-766d-b312-3185bf539f8c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_DocumentFiscalPeriodFocus_019fce12-b039-766d-b312-3185bf539f8c" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_019fce12-b039-7077-a84b-30509802c53e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_DocumentFiscalYearFocus_019fce12-b039-7077-a84b-30509802c53e" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_019fce12-b039-7166-b5b8-0d2f961dd686" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019fce12-b039-7576-970a-e03b01495f93" xlink:to="loc_dei_CurrentFiscalYearEndDate_019fce12-b039-7166-b5b8-0d2f961dd686" xlink:type="arc" order="28"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/CondensedConsolidatedBalanceSheets" xlink:type="simple" xlink:href="pbf-20260930.xsd#CondensedConsolidatedBalanceSheets"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fce12-b039-7166-997c-c6aba794424f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fce12-b039-7f4d-b6ec-f08ad0295fb0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7166-997c-c6aba794424f" xlink:to="loc_us-gaap_StatementTable_019fce12-b039-7f4d-b6ec-f08ad0295fb0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7415-b891-3dd3e7efe083" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fce12-b039-7f4d-b6ec-f08ad0295fb0" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7415-b891-3dd3e7efe083" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7415-b891-3dd3e7efe083_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7415-b891-3dd3e7efe083" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7415-b891-3dd3e7efe083_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7534-9718-b3cefbca4b1e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7415-b891-3dd3e7efe083" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7534-9718-b3cefbca4b1e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019fce12-b039-7398-9586-840dda41d370" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7534-9718-b3cefbca4b1e" xlink:to="loc_us-gaap_CommonClassAMember_019fce12-b039-7398-9586-840dda41d370" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_019fce12-b039-71f7-aa1f-95f420a77fef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7534-9718-b3cefbca4b1e" xlink:to="loc_us-gaap_CommonClassBMember_019fce12-b039-71f7-aa1f-95f420a77fef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_019fce12-b039-77bb-b037-267e22d2c7bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7166-997c-c6aba794424f" xlink:to="loc_us-gaap_AssetsAbstract_019fce12-b039-77bb-b037-267e22d2c7bd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_019fce12-b039-77bc-bda3-8229c004c8d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fce12-b039-77bb-b037-267e22d2c7bd" xlink:to="loc_us-gaap_AssetsCurrentAbstract_019fce12-b039-77bc-bda3-8229c004c8d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fce12-b039-7787-9bc3-38025fc5ef10" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019fce12-b039-77bc-bda3-8229c004c8d2" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019fce12-b039-7787-9bc3-38025fc5ef10" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_019fce12-b039-76cb-ba88-a63c3e98ed28" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019fce12-b039-77bc-bda3-8229c004c8d2" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_019fce12-b039-76cb-ba88-a63c3e98ed28" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019fce12-b039-7609-90e9-8c5557827da8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019fce12-b039-77bc-bda3-8229c004c8d2" xlink:to="loc_us-gaap_InventoryNet_019fce12-b039-7609-90e9-8c5557827da8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019fce12-b039-7b24-a92a-092052e74c80" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019fce12-b039-77bc-bda3-8229c004c8d2" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019fce12-b039-7b24-a92a-092052e74c80" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019fce12-b039-7c7b-acbf-044ca69054d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_019fce12-b039-77bc-bda3-8229c004c8d2" xlink:to="loc_us-gaap_AssetsCurrent_019fce12-b039-7c7b-acbf-044ca69054d3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019fce12-b039-7c9f-814d-ffdb5a1c62e2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fce12-b039-77bb-b037-267e22d2c7bd" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019fce12-b039-7c9f-814d-ffdb5a1c62e2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_019fce12-b039-7d8b-b5fd-4b3e7e687e39" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fce12-b039-77bb-b037-267e22d2c7bd" xlink:to="loc_us-gaap_EquityMethodInvestments_019fce12-b039-7d8b-b5fd-4b3e7e687e39" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_LeaseRightofUseAsset_019fce12-b039-7c93-9f77-2c38597f69fb" xlink:href="pbf-20260930.xsd#pbf_LeaseRightofUseAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fce12-b039-77bb-b037-267e22d2c7bd" xlink:to="loc_pbf_LeaseRightofUseAsset_019fce12-b039-7c93-9f77-2c38597f69fb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019fce12-b039-72bb-858d-6ce7004f2612" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fce12-b039-77bb-b037-267e22d2c7bd" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019fce12-b039-72bb-858d-6ce7004f2612" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019fce12-b039-768d-92d8-cef40460e5b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_019fce12-b039-77bb-b037-267e22d2c7bd" xlink:to="loc_us-gaap_Assets_019fce12-b039-768d-92d8-cef40460e5b8" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fce12-b039-7fbd-b006-e563d76bbebb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7166-997c-c6aba794424f" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fce12-b039-7fbd-b006-e563d76bbebb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract_019fce12-b039-7420-a382-9477c810a905" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fce12-b039-7fbd-b006-e563d76bbebb" xlink:to="loc_us-gaap_LiabilitiesAbstract_019fce12-b039-7420-a382-9477c810a905" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_019fce12-b039-74f0-a361-107337d75d37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fce12-b039-7420-a382-9477c810a905" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_019fce12-b039-74f0-a361-107337d75d37" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_019fce12-b039-72a1-aef8-0b9912344c77" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019fce12-b039-74f0-a361-107337d75d37" xlink:to="loc_us-gaap_AccountsPayableCurrent_019fce12-b039-72a1-aef8-0b9912344c77" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_019fce12-b039-7484-b0bd-881ebcca5eff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019fce12-b039-74f0-a361-107337d75d37" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_019fce12-b039-7484-b0bd-881ebcca5eff" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019fce12-b039-70c3-9317-c6fdbcb91a75" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019fce12-b039-74f0-a361-107337d75d37" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019fce12-b039-70c3-9317-c6fdbcb91a75" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019fce12-b039-794d-90b8-499c5ee389cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019fce12-b039-74f0-a361-107337d75d37" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019fce12-b039-794d-90b8-499c5ee389cf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_01a14055-5d03-79e7-8a34-2de0dc5be07d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019fce12-b039-74f0-a361-107337d75d37" xlink:to="loc_us-gaap_LongTermDebtCurrent_01a14055-5d03-79e7-8a34-2de0dc5be07d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019fce12-b039-703f-a7e2-91180d91371b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_019fce12-b039-74f0-a361-107337d75d37" xlink:to="loc_us-gaap_LiabilitiesCurrent_019fce12-b039-703f-a7e2-91180d91371b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019fce12-b039-7923-96e0-fd2d450f7c09" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fce12-b039-7420-a382-9477c810a905" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019fce12-b039-7923-96e0-fd2d450f7c09" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PayableToRelatedPartiesTaxReceivableAgreementNoncurrent_019fce12-b039-717b-b5e8-4e7c9e69bb7a" xlink:href="pbf-20260930.xsd#pbf_PayableToRelatedPartiesTaxReceivableAgreementNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fce12-b039-7420-a382-9477c810a905" xlink:to="loc_pbf_PayableToRelatedPartiesTaxReceivableAgreementNoncurrent_019fce12-b039-717b-b5e8-4e7c9e69bb7a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019fce12-b039-729e-b2cf-4730c9c830b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fce12-b039-7420-a382-9477c810a905" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019fce12-b039-729e-b2cf-4730c9c830b6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019fce12-b039-7dc4-a48e-242a8e282e6f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fce12-b039-7420-a382-9477c810a905" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019fce12-b039-7dc4-a48e-242a8e282e6f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_019fce12-b039-7a80-8015-a4d12f125076" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fce12-b039-7420-a382-9477c810a905" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_019fce12-b039-7a80-8015-a4d12f125076" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019fce12-b039-789f-b6bc-634fc9c19c38" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fce12-b039-7420-a382-9477c810a905" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019fce12-b039-789f-b6bc-634fc9c19c38" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019fce12-b039-7f1a-8b00-b08c0ea91621" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_019fce12-b039-7420-a382-9477c810a905" xlink:to="loc_us-gaap_Liabilities_019fce12-b039-7f1a-8b00-b08c0ea91621" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019fce12-b039-7ced-be83-d8d6e123a722" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fce12-b039-7fbd-b006-e563d76bbebb" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019fce12-b039-7ced-be83-d8d6e123a722" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fce12-b039-7abd-8d3b-1d5c81c15f60" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fce12-b039-7fbd-b006-e563d76bbebb" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fce12-b039-7abd-8d3b-1d5c81c15f60" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019fce12-b039-7916-9ceb-94580dab34ee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fce12-b039-7abd-8d3b-1d5c81c15f60" xlink:to="loc_us-gaap_CommonStockValue_019fce12-b039-7916-9ceb-94580dab34ee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_019fce12-b039-7bc9-95df-45dea2a17961" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fce12-b039-7abd-8d3b-1d5c81c15f60" xlink:to="loc_us-gaap_PreferredStockValue_019fce12-b039-7bc9-95df-45dea2a17961" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_019fce12-b039-7d4a-b224-f611c0b94d7e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fce12-b039-7abd-8d3b-1d5c81c15f60" xlink:to="loc_us-gaap_TreasuryStockValue_019fce12-b039-7d4a-b224-f611c0b94d7e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019fce12-b039-79ca-9f4a-835fa9d352dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fce12-b039-7abd-8d3b-1d5c81c15f60" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019fce12-b039-79ca-9f4a-835fa9d352dc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fce12-b039-72a1-8193-1db70bf68ee2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fce12-b039-7abd-8d3b-1d5c81c15f60" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019fce12-b039-72a1-8193-1db70bf68ee2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019fce12-b039-74fa-ad7f-4f6e3120b3b5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fce12-b039-7abd-8d3b-1d5c81c15f60" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019fce12-b039-74fa-ad7f-4f6e3120b3b5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019fce12-b039-7ca8-9176-1d81733607cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fce12-b039-7abd-8d3b-1d5c81c15f60" xlink:to="loc_us-gaap_StockholdersEquity_019fce12-b039-7ca8-9176-1d81733607cf" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_019fce12-b039-72a5-a69f-bf34c75513ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fce12-b039-7abd-8d3b-1d5c81c15f60" xlink:to="loc_us-gaap_MinorityInterest_019fce12-b039-72a5-a69f-bf34c75513ad" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fce12-b039-7a28-a93a-5300968044cc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_019fce12-b039-7abd-8d3b-1d5c81c15f60" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fce12-b039-7a28-a93a-5300968044cc" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fce12-b039-704f-90ed-e127052c2a6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_019fce12-b039-7fbd-b006-e563d76bbebb" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_019fce12-b039-704f-90ed-e127052c2a6a" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" xlink:href="pbf-20260930.xsd#CondensedConsolidatedBalanceSheetsParenthetical"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fce12-b039-74e9-b549-c985b516e7e8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fce12-b039-738e-875b-385b2ef423d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-74e9-b549-c985b516e7e8" xlink:to="loc_us-gaap_StatementTable_019fce12-b039-738e-875b-385b2ef423d0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7b13-b96e-6f410ce6e4ca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fce12-b039-738e-875b-385b2ef423d0" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7b13-b96e-6f410ce6e4ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7b13-b96e-6f410ce6e4ca_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7b13-b96e-6f410ce6e4ca" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7b13-b96e-6f410ce6e4ca_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-71d0-987d-ce174ac0c4d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7b13-b96e-6f410ce6e4ca" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-71d0-987d-ce174ac0c4d3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019fce12-b039-79bd-aadb-8ae2f915eb66" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-71d0-987d-ce174ac0c4d3" xlink:to="loc_us-gaap_CommonClassAMember_019fce12-b039-79bd-aadb-8ae2f915eb66" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_019fce12-b039-7807-8d95-518d6d01d50f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-71d0-987d-ce174ac0c4d3" xlink:to="loc_us-gaap_CommonClassBMember_019fce12-b039-7807-8d95-518d6d01d50f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_019fce12-b039-7314-82eb-f3d524c2fc36" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-74e9-b549-c985b516e7e8" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_019fce12-b039-7314-82eb-f3d524c2fc36" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_019fce12-b039-73fa-9cb0-61dfd58df2d1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-74e9-b549-c985b516e7e8" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_019fce12-b039-73fa-9cb0-61dfd58df2d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_019fce12-b039-7890-843f-35321ba813f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-74e9-b549-c985b516e7e8" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_019fce12-b039-7890-843f-35321ba813f4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019fce12-b039-725d-9c35-6644da56d245" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-74e9-b549-c985b516e7e8" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_019fce12-b039-725d-9c35-6644da56d245" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_019fce12-b039-78de-94dd-084d6a3b3e88" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-74e9-b549-c985b516e7e8" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_019fce12-b039-78de-94dd-084d6a3b3e88" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_019fce12-b039-7ef7-bde9-d1f5269a130c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-74e9-b549-c985b516e7e8" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_019fce12-b039-7ef7-bde9-d1f5269a130c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_019fce12-b039-7092-8a1d-c4e734b33064" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-74e9-b549-c985b516e7e8" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_019fce12-b039-7092-8a1d-c4e734b33064" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_019fce12-b039-754c-b37e-22d57ca2ec56" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-74e9-b549-c985b516e7e8" xlink:to="loc_us-gaap_TreasuryStockCommonShares_019fce12-b039-754c-b37e-22d57ca2ec56" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/CondensedConsolidatedStatementsofChangesinEquity" xlink:type="simple" xlink:href="pbf-20260930.xsd#CondensedConsolidatedStatementsofChangesinEquity"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/CondensedConsolidatedStatementsofChangesinEquity" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fce12-b039-7a5f-91bf-840e76e9e4eb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fce12-b039-7d8f-a692-38ec9bd5036d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7a5f-91bf-840e76e9e4eb" xlink:to="loc_us-gaap_StatementTable_019fce12-b039-7d8f-a692-38ec9bd5036d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019fce12-b039-727d-987d-c815c8eb2e53" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fce12-b039-7d8f-a692-38ec9bd5036d" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019fce12-b039-727d-987d-c815c8eb2e53" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fce12-b039-727d-987d-c815c8eb2e53_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fce12-b039-727d-987d-c815c8eb2e53" xlink:to="loc_us-gaap_EquityComponentDomain_019fce12-b039-727d-987d-c815c8eb2e53_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fce12-b039-748c-b81a-5b8f5ff26114" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fce12-b039-727d-987d-c815c8eb2e53" xlink:to="loc_us-gaap_EquityComponentDomain_019fce12-b039-748c-b81a-5b8f5ff26114" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019fce12-b039-76cd-9822-cc20742b0b82" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fce12-b039-748c-b81a-5b8f5ff26114" xlink:to="loc_us-gaap_CommonStockMember_019fce12-b039-76cd-9822-cc20742b0b82" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_019fce12-b039-7aa4-b1bd-8de5a26b1357" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fce12-b039-748c-b81a-5b8f5ff26114" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_019fce12-b039-7aa4-b1bd-8de5a26b1357" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_019fce12-b039-7f62-bf54-6ace0427c207" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fce12-b039-748c-b81a-5b8f5ff26114" xlink:to="loc_us-gaap_RetainedEarningsMember_019fce12-b039-7f62-bf54-6ace0427c207" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fce12-b039-7539-a627-ea8d1b898f65" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fce12-b039-748c-b81a-5b8f5ff26114" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_019fce12-b039-7539-a627-ea8d1b898f65" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_019fce12-b039-7609-85d4-3e7264dfb554" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fce12-b039-748c-b81a-5b8f5ff26114" xlink:to="loc_us-gaap_TreasuryStockCommonMember_019fce12-b039-7609-85d4-3e7264dfb554" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_019fce12-b039-7f60-8334-e753afc50547" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fce12-b039-748c-b81a-5b8f5ff26114" xlink:to="loc_us-gaap_NoncontrollingInterestMember_019fce12-b039-7f60-8334-e753afc50547" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7d4b-aebd-ec057fb6e67b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fce12-b039-7d8f-a692-38ec9bd5036d" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7d4b-aebd-ec057fb6e67b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7d4b-aebd-ec057fb6e67b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7d4b-aebd-ec057fb6e67b" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7d4b-aebd-ec057fb6e67b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-74a9-939b-fd7666df4db9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7d4b-aebd-ec057fb6e67b" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-74a9-939b-fd7666df4db9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019fce12-b039-7673-8409-6fceeb55fb7e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-74a9-939b-fd7666df4db9" xlink:to="loc_us-gaap_CommonClassAMember_019fce12-b039-7673-8409-6fceeb55fb7e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_019fce12-b039-7196-b71b-e85562333735" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-74a9-939b-fd7666df4db9" xlink:to="loc_us-gaap_CommonClassBMember_019fce12-b039-7196-b71b-e85562333735" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7a5f-91bf-840e76e9e4eb" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019fce12-b039-773f-acd1-c024297b6d92" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_019fce12-b039-773f-acd1-c024297b6d92" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_019fce12-b039-7d4a-9e88-2bd64ae1dea9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_us-gaap_TreasuryStockCommonShares_019fce12-b039-7d4a-9e88-2bd64ae1dea9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fce12-b039-7aaf-a5c1-58d17a097628" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fce12-b039-7aaf-a5c1-58d17a097628" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019fce12-b039-79eb-9cf5-00ad52cb154e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019fce12-b039-79eb-9cf5-00ad52cb154e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_StockholdersEquityDistributionsToNoncontrollingInterestHolders_019fce12-b039-7b32-acbe-e3c5ab8ae719" xlink:href="pbf-20260930.xsd#pbf_StockholdersEquityDistributionsToNoncontrollingInterestHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_pbf_StockholdersEquityDistributionsToNoncontrollingInterestHolders_019fce12-b039-7b32-acbe-e3c5ab8ae719" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Dividends_019fce12-b039-701d-b2cc-d4bb8ee369da" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Dividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_us-gaap_Dividends_019fce12-b039-701d-b2cc-d4bb8ee369da" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019fce12-b039-765b-906d-fcf805844590" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019fce12-b039-765b-906d-fcf805844590" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_019fce12-b039-7ff0-b893-70621f4cb507" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_019fce12-b039-7ff0-b893-70621f4cb507" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_019fce12-b039-78a7-9100-e95ebaf21911" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_019fce12-b039-78a7-9100-e95ebaf21911" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_019fce12-b039-7b0c-ad98-9c64edf334b7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_019fce12-b039-7b0c-ad98-9c64edf334b7" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_019fce12-b039-7404-acab-c3bb809133bf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_019fce12-b039-7404-acab-c3bb809133bf" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall_01a140b5-c7e4-74db-8a56-dfb5383d19ee" xlink:href="pbf-20260930.xsd#pbf_AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_pbf_AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall_01a140b5-c7e4-74db-8a56-dfb5383d19ee" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRedeemedOrCalledDuringPeriodShares_019fce12-b039-7763-95ce-bd6ff39add4d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_us-gaap_StockRedeemedOrCalledDuringPeriodShares_019fce12-b039-7763-95ce-bd6ff39add4d" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRedeemedOrCalledDuringPeriodValue_019fce12-b039-75e4-8437-4d2b32db6e7c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_019fce12-b039-73af-8d6f-05ffb4c045f2" xlink:to="loc_us-gaap_StockRedeemedOrCalledDuringPeriodValue_019fce12-b039-75e4-8437-4d2b32db6e7c" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_019fce12-b039-72e3-b3f9-908775c4d885" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_019fce12-b039-7651-a041-0fc6bb93c14e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonShares"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fce12-b039-777e-880e-0a614d143807" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/CondensedConsolidatedStatementsofChangesinEquityParenthetical" xlink:type="simple" xlink:href="pbf-20260930.xsd#CondensedConsolidatedStatementsofChangesinEquityParenthetical"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/CondensedConsolidatedStatementsofChangesinEquityParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fce12-b039-70d2-85c1-fa87f3f7ccb7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fce12-b039-7c7c-b5f4-8a50fdcbd617" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-70d2-85c1-fa87f3f7ccb7" xlink:to="loc_us-gaap_StatementTable_019fce12-b039-7c7c-b5f4-8a50fdcbd617" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7c68-9b89-136696b68018" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fce12-b039-7c7c-b5f4-8a50fdcbd617" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7c68-9b89-136696b68018" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7c68-9b89-136696b68018_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7c68-9b89-136696b68018" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7c68-9b89-136696b68018_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7efd-b37a-755d570f61c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7c68-9b89-136696b68018" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7efd-b37a-755d570f61c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019fce12-b039-7ec4-9158-dab52c2be409" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7efd-b37a-755d570f61c9" xlink:to="loc_us-gaap_CommonClassAMember_019fce12-b039-7ec4-9158-dab52c2be409" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareCashPaid_019fce12-b039-7f38-9e48-65dd496e63cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockDividendsPerShareCashPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-70d2-85c1-fa87f3f7ccb7" xlink:to="loc_us-gaap_CommonStockDividendsPerShareCashPaid_019fce12-b039-7f38-9e48-65dd496e63cd" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/CondensedConsolidatedStatementofCashFlows" xlink:type="simple" xlink:href="pbf-20260930.xsd#CondensedConsolidatedStatementofCashFlows"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/CondensedConsolidatedStatementofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fce12-b039-7e21-8010-651dabce178f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_019fce12-b039-72ad-949b-265c43cc7512" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7e21-8010-651dabce178f" xlink:to="loc_us-gaap_StatementTable_019fce12-b039-72ad-949b-265c43cc7512" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fce12-b039-734f-99ba-a8e350850951" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_019fce12-b039-72ad-949b-265c43cc7512" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fce12-b039-734f-99ba-a8e350850951" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-734f-99ba-a8e350850951_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fce12-b039-734f-99ba-a8e350850951" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-734f-99ba-a8e350850951_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f44-9798-2cc6c04ee6e6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fce12-b039-734f-99ba-a8e350850951" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f44-9798-2cc6c04ee6e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20286.000SeniorNotesMember_019fce12-b039-7260-a590-de5b4d110110" xlink:href="pbf-20260930.xsd#pbf_A20286.000SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f44-9798-2cc6c04ee6e6" xlink:to="loc_pbf_A20286.000SeniorNotesMember_019fce12-b039-7260-a590-de5b4d110110" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20309.875SeniorNotesMember_019fce12-b039-742b-88b0-aab8ff5bf081" xlink:href="pbf-20260930.xsd#pbf_A20309.875SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f44-9798-2cc6c04ee6e6" xlink:to="loc_pbf_A20309.875SeniorNotesMember_019fce12-b039-742b-88b0-aab8ff5bf081" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20347.25SeniorNotesMember_019fce12-b039-7e99-8205-de849b9c313a" xlink:href="pbf-20260930.xsd#pbf_A20347.25SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f44-9798-2cc6c04ee6e6" xlink:to="loc_pbf_A20347.25SeniorNotesMember_019fce12-b039-7e99-8205-de849b9c313a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20307.875SeniorNotesMember_01a140cc-42b4-74d5-9992-27a76b2c31ff" xlink:href="pbf-20260930.xsd#pbf_A20307.875SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f44-9798-2cc6c04ee6e6" xlink:to="loc_pbf_A20307.875SeniorNotesMember_01a140cc-42b4-74d5-9992-27a76b2c31ff" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PromissoryNoteMember_01a140ce-73e4-7f10-8099-20b3cdc8419c" xlink:href="pbf-20260930.xsd#pbf_PromissoryNoteMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f44-9798-2cc6c04ee6e6" xlink:to="loc_pbf_PromissoryNoteMember_01a140ce-73e4-7f10-8099-20b3cdc8419c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A2032ExchangeableNotesMember_01a140cf-9445-7025-ad80-20a54759dfaf" xlink:href="pbf-20260930.xsd#pbf_A2032ExchangeableNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f44-9798-2cc6c04ee6e6" xlink:to="loc_pbf_A2032ExchangeableNotesMember_01a140cf-9445-7025-ad80-20a54759dfaf" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fce12-b039-7721-906a-9566730bc586" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7e21-8010-651dabce178f" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fce12-b039-7721-906a-9566730bc586" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019fce12-b039-7a97-a4b1-76190580ddb0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fce12-b039-7721-906a-9566730bc586" xlink:to="loc_us-gaap_ProfitLoss_019fce12-b039-7a97-a4b1-76190580ddb0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_019fce12-b039-7721-906a-9566730bc586" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_019fce12-b039-7524-bbdf-3e8c884c9116" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_019fce12-b039-7524-bbdf-3e8c884c9116" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019fce12-b039-7609-83bb-6917c6c43756" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:to="loc_us-gaap_ShareBasedCompensation_019fce12-b039-7609-83bb-6917c6c43756" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019fce12-b039-7cdb-877c-0d5b32c43408" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019fce12-b039-7cdb-877c-0d5b32c43408" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_ChangeinNoncashLowerofCostorMarketAdjustment_019fce12-b039-7f0d-b6b3-e01f1ca38af6" xlink:href="pbf-20260930.xsd#pbf_ChangeinNoncashLowerofCostorMarketAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:to="loc_pbf_ChangeinNoncashLowerofCostorMarketAdjustment_019fce12-b039-7f0d-b6b3-e01f1ca38af6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019fce12-b039-7ef0-931c-2d3e0a02683a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_019fce12-b039-7ef0-931c-2d3e0a02683a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_019fce12-b039-7707-b293-3740c06266f3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense_019fce12-b039-7707-b293-3740c06266f3" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InsuranceRecoveries_019fce12-b039-7ef4-a6db-33007e193d47" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InsuranceRecoveries"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:to="loc_us-gaap_InsuranceRecoveries_019fce12-b039-7ef4-a6db-33007e193d47" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromInsuranceSettlementOperatingActivities_019fce12-b039-7031-9594-69353a320da0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromInsuranceSettlementOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:to="loc_us-gaap_ProceedsFromInsuranceSettlementOperatingActivities_019fce12-b039-7031-9594-69353a320da0" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_019fce12-b039-769d-a7e3-5f31b8eda117" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_019fce12-b039-769d-a7e3-5f31b8eda117" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_019fce12-b039-7460-937d-379900de0c96" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_019fce12-b039-7460-937d-379900de0c96" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fce12-b039-7b1f-a0d7-3b854899604b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fce12-b039-7b1f-a0d7-3b854899604b" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019fce12-b039-709a-8eb6-3487a21a4f3a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fce12-b039-7b1f-a0d7-3b854899604b" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019fce12-b039-709a-8eb6-3487a21a4f3a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_019fce12-b039-7393-9e3d-1168fb9430c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fce12-b039-7b1f-a0d7-3b854899604b" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_019fce12-b039-7393-9e3d-1168fb9430c2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_019fce12-b039-7fae-a1a4-74e35b0fab3c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fce12-b039-7b1f-a0d7-3b854899604b" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_019fce12-b039-7fae-a1a4-74e35b0fab3c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_019fce12-b039-7e3a-aea1-0789da169896" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fce12-b039-7b1f-a0d7-3b854899604b" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_019fce12-b039-7e3a-aea1-0789da169896" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_019fce12-b039-7a7e-aedf-283cd0fff404" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fce12-b039-7b1f-a0d7-3b854899604b" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_019fce12-b039-7a7e-aedf-283cd0fff404" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_019fce12-b039-7ebd-911b-af89d2eeeac7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fce12-b039-7b1f-a0d7-3b854899604b" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_019fce12-b039-7ebd-911b-af89d2eeeac7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PaymentOfTaxReceivableAgreement_019fce12-b039-7bcb-8f6d-6b0d1b17d4e1" xlink:href="pbf-20260930.xsd#pbf_PaymentOfTaxReceivableAgreement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fce12-b039-7b1f-a0d7-3b854899604b" xlink:to="loc_pbf_PaymentOfTaxReceivableAgreement_019fce12-b039-7bcb-8f6d-6b0d1b17d4e1" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019fce12-b039-77a9-bf39-ca7297ec4172" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_019fce12-b039-7b1f-a0d7-3b854899604b" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019fce12-b039-77a9-bf39-ca7297ec4172" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fce12-b039-7683-a215-7d07230bdc25" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_019fce12-b039-7766-a796-c53bb10c5862" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019fce12-b039-7683-a215-7d07230bdc25" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fce12-b039-7b99-a78a-157f572d2f03" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7e21-8010-651dabce178f" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fce12-b039-7b99-a78a-157f572d2f03" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019fce12-b039-7de7-851a-8c31cd2803c6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fce12-b039-7b99-a78a-157f572d2f03" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019fce12-b039-7de7-851a-8c31cd2803c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PaymentsForDeferredTurnaroundCosts_019fce12-b039-793e-baf4-ca48dc132f51" xlink:href="pbf-20260930.xsd#pbf_PaymentsForDeferredTurnaroundCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fce12-b039-7b99-a78a-157f572d2f03" xlink:to="loc_pbf_PaymentsForDeferredTurnaroundCosts_019fce12-b039-793e-baf4-ca48dc132f51" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireOtherProductiveAssets_019fce12-b039-7b15-8e19-0bc7908a7b97" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireOtherProductiveAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fce12-b039-7b99-a78a-157f572d2f03" xlink:to="loc_us-gaap_PaymentsToAcquireOtherProductiveAssets_019fce12-b039-7b15-8e19-0bc7908a7b97" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PaymentsToAcquireHydrogenPlants_01a140ca-e0c7-7dcb-a179-3f1d07bd8c5c" xlink:href="pbf-20260930.xsd#pbf_PaymentsToAcquireHydrogenPlants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fce12-b039-7b99-a78a-157f572d2f03" xlink:to="loc_pbf_PaymentsToAcquireHydrogenPlants_01a140ca-e0c7-7dcb-a179-3f1d07bd8c5c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_01a140d6-2367-7a4a-a74d-78214b3ab47b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fce12-b039-7b99-a78a-157f572d2f03" xlink:to="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_01a140d6-2367-7a4a-a74d-78214b3ab47b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital_019fce12-b039-77a7-8df9-6799704ab393" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fce12-b039-7b99-a78a-157f572d2f03" xlink:to="loc_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital_019fce12-b039-77a7-8df9-6799704ab393" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_019fce12-b039-7794-9d5b-ad431e2f6701" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromInsuranceSettlementInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fce12-b039-7b99-a78a-157f572d2f03" xlink:to="loc_us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_019fce12-b039-7794-9d5b-ad431e2f6701" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fce12-b039-7881-ad0f-88f7b97b242f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_019fce12-b039-7b99-a78a-157f572d2f03" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019fce12-b039-7881-ad0f-88f7b97b242f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7e21-8010-651dabce178f" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfOrdinaryDividends_019fce12-b039-775d-ac8c-ec4caa8eae3c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfOrdinaryDividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_us-gaap_PaymentsOfOrdinaryDividends_019fce12-b039-775d-ac8c-ec4caa8eae3c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfCapitalDistribution_019fce12-b039-72f2-89e9-d0521132048e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfCapitalDistribution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_us-gaap_PaymentsOfCapitalDistribution_019fce12-b039-72f2-89e9-d0521132048e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_019fce12-b039-7145-bf68-2b3d85c74ba1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_019fce12-b039-7145-bf68-2b3d85c74ba1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_019fce12-b039-74b5-9352-88c01fe5fb55" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_019fce12-b039-74b5-9352-88c01fe5fb55" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_019fce12-b039-7fa7-9941-83783ccfea68" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_019fce12-b039-7fa7-9941-83783ccfea68" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_019fce12-b039-7f96-b986-c3dc768a53aa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_019fce12-b039-7f96-b986-c3dc768a53aa" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations_019fce12-b039-7c95-9ba5-945b3b7d49b9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations_019fce12-b039-7c95-9ba5-945b3b7d49b9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_Proceedsfrominsurancepremiumfinancing_019fce12-b039-7fff-902f-7b2b32b4e126" xlink:href="pbf-20260930.xsd#pbf_Proceedsfrominsurancepremiumfinancing"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_pbf_Proceedsfrominsurancepremiumfinancing_019fce12-b039-7fff-902f-7b2b32b4e126" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PaymentsOfInsurancePremiumFinancing_019fce12-b039-70a1-a1d4-8ff90049b3d7" xlink:href="pbf-20260930.xsd#pbf_PaymentsOfInsurancePremiumFinancing"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_pbf_PaymentsOfInsurancePremiumFinancing_019fce12-b039-70a1-a1d4-8ff90049b3d7" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PaymentsForPurchaseOfCappedCallOption_01a140d6-cd4e-7431-a41a-3724c77b5b02" xlink:href="pbf-20260930.xsd#pbf_PaymentsForPurchaseOfCappedCallOption"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_pbf_PaymentsForPurchaseOfCappedCallOption_01a140d6-cd4e-7431-a41a-3724c77b5b02" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_ProceedsFromPaymentsForShareBasedPaymentArrangement_019fce12-b039-7f95-8e0d-1ff67be4cb8a" xlink:href="pbf-20260930.xsd#pbf_ProceedsFromPaymentsForShareBasedPaymentArrangement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_pbf_ProceedsFromPaymentsForShareBasedPaymentArrangement_019fce12-b039-7f95-8e0d-1ff67be4cb8a" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019fce12-b039-7013-b837-bcd1510e93ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019fce12-b039-7013-b837-bcd1510e93ba" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fce12-b039-705c-a67a-7c8c85dd937c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_019fce12-b039-7d8e-be37-012745719dea" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019fce12-b039-705c-a67a-7c8c85dd937c" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fce12-b039-7fcd-82b0-f345f855d26f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7e21-8010-651dabce178f" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019fce12-b039-7fcd-82b0-f345f855d26f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019fce12-b039-745d-915a-a12c89a18876" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7e21-8010-651dabce178f" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019fce12-b039-745d-915a-a12c89a18876" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019fce12-b039-778e-b880-4b8a4d996d98" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_019fce12-b039-751f-bb74-efbdcd1efaab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7e21-8010-651dabce178f" xlink:to="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_019fce12-b039-751f-bb74-efbdcd1efaab" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid_019fce12-b039-755c-aa3c-2830e6b94a25" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_019fce12-b039-751f-bb74-efbdcd1efaab" xlink:to="loc_us-gaap_ConstructionInProgressExpendituresIncurredButNotYetPaid_019fce12-b039-755c-aa3c-2830e6b94a25" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_RightOfUseAssetObtainedOrRemeasuredUnderOperatingOrFinancingLeaseLiability_019fce12-b039-71c5-9873-ed2bc8111f58" xlink:href="pbf-20260930.xsd#pbf_RightOfUseAssetObtainedOrRemeasuredUnderOperatingOrFinancingLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_019fce12-b039-751f-bb74-efbdcd1efaab" xlink:to="loc_pbf_RightOfUseAssetObtainedOrRemeasuredUnderOperatingOrFinancingLeaseLiability_019fce12-b039-71c5-9873-ed2bc8111f58" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1_01a140d7-2292-7d75-aa86-23bf5c6626cc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_019fce12-b039-751f-bb74-efbdcd1efaab" xlink:to="loc_us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1_01a140d7-2292-7d75-aa86-23bf5c6626cc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_019fce12-b039-77c9-9e5a-3e6cba942e91" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SupplementalCashFlowInformationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7e21-8010-651dabce178f" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_019fce12-b039-77c9-9e5a-3e6cba942e91" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet_019fce12-b039-7364-ad95-0d5cbe3b80e7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPaidNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_019fce12-b039-77c9-9e5a-3e6cba942e91" xlink:to="loc_us-gaap_InterestPaidNet_019fce12-b039-7364-ad95-0d5cbe3b80e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_019fce12-b039-70c4-86cf-d86d47b2d42e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_019fce12-b039-77c9-9e5a-3e6cba942e91" xlink:to="loc_us-gaap_IncomeTaxesPaidNet_019fce12-b039-70c4-86cf-d86d47b2d42e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/EQUITYTables" xlink:type="simple" xlink:href="pbf-20260930.xsd#EQUITYTables"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/EQUITYTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7c34-99c6-33237e5b6f59" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterestLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestTable_019fce12-b039-761e-b717-674680e30736" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterestTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7c34-99c6-33237e5b6f59" xlink:to="loc_us-gaap_MinorityInterestTable_019fce12-b039-761e-b717-674680e30736" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fce12-b039-72bd-9caa-2167d5fb635d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_019fce12-b039-761e-b717-674680e30736" xlink:to="loc_dei_LegalEntityAxis_019fce12-b039-72bd-9caa-2167d5fb635d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-72bd-9caa-2167d5fb635d_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-72bd-9caa-2167d5fb635d" xlink:to="loc_dei_EntityDomain_019fce12-b039-72bd-9caa-2167d5fb635d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-7125-807d-625d2db29d24" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-72bd-9caa-2167d5fb635d" xlink:to="loc_dei_EntityDomain_019fce12-b039-7125-807d-625d2db29d24" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PbfLlcMember_019fce12-b039-7795-bab2-4386d92317a7" xlink:href="pbf-20260930.xsd#pbf_PbfLlcMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fce12-b039-7125-807d-625d2db29d24" xlink:to="loc_pbf_PbfLlcMember_019fce12-b039-7795-bab2-4386d92317a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTextBlock_019fce12-b039-7e6c-ae77-e30ad8f20fb9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7c34-99c6-33237e5b6f59" xlink:to="loc_us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTextBlock_019fce12-b039-7e6c-ae77-e30ad8f20fb9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockholdersEquityTableTextBlock_019fce12-b039-7f55-9507-f1b92b92381a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfStockholdersEquityTableTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7c34-99c6-33237e5b6f59" xlink:to="loc_us-gaap_ScheduleOfStockholdersEquityTableTextBlock_019fce12-b039-7f55-9507-f1b92b92381a" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/DESCRIPTIONOFTHEBUSINESSANDBASISOFPRESENTATIONDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#DESCRIPTIONOFTHEBUSINESSANDBASISOFPRESENTATIONDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/DESCRIPTIONOFTHEBUSINESSANDBASISOFPRESENTATIONDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:href="pbf-20260930.xsd#pbf_DescriptionOfBusinessLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_DescriptionOfBusinessTable_019fce12-b039-7c2d-b317-b82902380211" xlink:href="pbf-20260930.xsd#pbf_DescriptionOfBusinessTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_pbf_DescriptionOfBusinessTable_019fce12-b039-7c2d-b317-b82902380211" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7b8d-923d-1807154881cb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_pbf_DescriptionOfBusinessTable_019fce12-b039-7c2d-b317-b82902380211" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7b8d-923d-1807154881cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7b8d-923d-1807154881cb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7b8d-923d-1807154881cb" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7b8d-923d-1807154881cb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-722c-aa27-afa14db52e8a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7b8d-923d-1807154881cb" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-722c-aa27-afa14db52e8a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019fce12-b039-7170-a87a-a3a81e4593dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-722c-aa27-afa14db52e8a" xlink:to="loc_us-gaap_CommonClassAMember_019fce12-b039-7170-a87a-a3a81e4593dd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_SeriesUnitsMember_019fce12-b039-799b-b9b0-8fe7ff7d426a" xlink:href="pbf-20260930.xsd#pbf_SeriesUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-722c-aa27-afa14db52e8a" xlink:to="loc_pbf_SeriesUnitsMember_019fce12-b039-799b-b9b0-8fe7ff7d426a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fce12-b039-738e-afde-c609550a8155" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_pbf_DescriptionOfBusinessTable_019fce12-b039-7c2d-b317-b82902380211" xlink:to="loc_dei_LegalEntityAxis_019fce12-b039-738e-afde-c609550a8155" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-738e-afde-c609550a8155_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-738e-afde-c609550a8155" xlink:to="loc_dei_EntityDomain_019fce12-b039-738e-afde-c609550a8155_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-74a6-b0ed-cff00432050a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-738e-afde-c609550a8155" xlink:to="loc_dei_EntityDomain_019fce12-b039-74a6-b0ed-cff00432050a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PBFEnergyIncMember_019fce12-b039-7f26-ad07-fb7a711d3bce" xlink:href="pbf-20260930.xsd#pbf_PBFEnergyIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fce12-b039-74a6-b0ed-cff00432050a" xlink:to="loc_pbf_PBFEnergyIncMember_019fce12-b039-7f26-ad07-fb7a711d3bce" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PbfLlcMember_019fce12-b039-74bb-b6fa-5e650504ba3a" xlink:href="pbf-20260930.xsd#pbf_PbfLlcMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fce12-b039-74a6-b0ed-cff00432050a" xlink:to="loc_pbf_PbfLlcMember_019fce12-b039-74bb-b6fa-5e650504ba3a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnusualOrInfrequentItemAxis_019fce12-b039-744f-9b2f-c09f9e0c5f5d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnusualOrInfrequentItemAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_pbf_DescriptionOfBusinessTable_019fce12-b039-7c2d-b317-b82902380211" xlink:to="loc_us-gaap_UnusualOrInfrequentItemAxis_019fce12-b039-744f-9b2f-c09f9e0c5f5d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnusualOrInfrequentItemDomain_019fce12-b039-744f-9b2f-c09f9e0c5f5d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnusualOrInfrequentItemDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_UnusualOrInfrequentItemAxis_019fce12-b039-744f-9b2f-c09f9e0c5f5d" xlink:to="loc_us-gaap_UnusualOrInfrequentItemDomain_019fce12-b039-744f-9b2f-c09f9e0c5f5d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnusualOrInfrequentItemDomain_019fce12-b039-7731-b550-fec9a572bd6b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnusualOrInfrequentItemDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_UnusualOrInfrequentItemAxis_019fce12-b039-744f-9b2f-c09f9e0c5f5d" xlink:to="loc_us-gaap_UnusualOrInfrequentItemDomain_019fce12-b039-7731-b550-fec9a572bd6b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_MartinezFireMember_019fce12-b039-7160-803e-03c34fe1db72" xlink:href="pbf-20260930.xsd#pbf_MartinezFireMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_UnusualOrInfrequentItemDomain_019fce12-b039-7731-b550-fec9a572bd6b" xlink:to="loc_pbf_MartinezFireMember_019fce12-b039-7160-803e-03c34fe1db72" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionTypeAxis_01a140e7-33dd-723f-b1b7-76f92057eeb4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransactionTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_pbf_DescriptionOfBusinessTable_019fce12-b039-7c2d-b317-b82902380211" xlink:to="loc_us-gaap_TransactionTypeAxis_01a140e7-33dd-723f-b1b7-76f92057eeb4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionDomain_01a140e7-33dd-723f-b1b7-76f92057eeb4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TransactionTypeAxis_01a140e7-33dd-723f-b1b7-76f92057eeb4" xlink:to="loc_us-gaap_TransactionDomain_01a140e7-33dd-723f-b1b7-76f92057eeb4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionDomain_01a140e7-33dd-7bf1-870d-35b796fb3286" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TransactionTypeAxis_01a140e7-33dd-723f-b1b7-76f92057eeb4" xlink:to="loc_us-gaap_TransactionDomain_01a140e7-33dd-7bf1-870d-35b796fb3286" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_HydrogenPlantAssetPurchaseMember_01a140e7-75b8-793d-bbcb-e673260aaa0b" xlink:href="pbf-20260930.xsd#pbf_HydrogenPlantAssetPurchaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransactionDomain_01a140e7-33dd-7bf1-870d-35b796fb3286" xlink:to="loc_pbf_HydrogenPlantAssetPurchaseMember_01a140e7-75b8-793d-bbcb-e673260aaa0b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_TerminalsAssetsSaleMember_01a140f4-ff95-7179-bdb1-cb1fe9750b70" xlink:href="pbf-20260930.xsd#pbf_TerminalsAssetsSaleMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransactionDomain_01a140e7-33dd-7bf1-870d-35b796fb3286" xlink:to="loc_pbf_TerminalsAssetsSaleMember_01a140f4-ff95-7179-bdb1-cb1fe9750b70" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_OwnershipPercentageOfEquityHeld_019fce12-b039-7c61-aa5f-e182a1457c4e" xlink:href="pbf-20260930.xsd#pbf_OwnershipPercentageOfEquityHeld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_pbf_OwnershipPercentageOfEquityHeld_019fce12-b039-7c61-aa5f-e182a1457c4e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_NumberOfHydrogenPlantsAcquired_01a140ed-58e0-735b-97e9-e4cf5fad0488" xlink:href="pbf-20260930.xsd#pbf_NumberOfHydrogenPlantsAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_pbf_NumberOfHydrogenPlantsAcquired_01a140ed-58e0-735b-97e9-e4cf5fad0488" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_01a140e3-12ec-7b74-8730-c665b1c3b094" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_01a140e3-12ec-7b74-8730-c665b1c3b094" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1_01a140e3-be2f-7244-9a52-eb3702681aea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1_01a140e3-be2f-7244-9a52-eb3702681aea" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_01a140e4-2176-7867-ad62-577e243f324d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_01a140e4-2176-7867-ad62-577e243f324d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_OperatingLeaseLiabilityDerecognized_01a140f8-f460-7c6f-8dd7-4f9d36fa7286" xlink:href="pbf-20260930.xsd#pbf_OperatingLeaseLiabilityDerecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_pbf_OperatingLeaseLiabilityDerecognized_01a140f8-f460-7c6f-8dd7-4f9d36fa7286" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_OperatingLeaseRightOfUseAssetDerecognized_01a140fa-0711-71fa-9de1-60f507d12478" xlink:href="pbf-20260930.xsd#pbf_OperatingLeaseRightOfUseAssetDerecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_pbf_OperatingLeaseRightOfUseAssetDerecognized_01a140fa-0711-71fa-9de1-60f507d12478" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_InsuranceDeductiblesAndRetentions_019fce12-b039-7089-b19e-92ab7f21fb5f" xlink:href="pbf-20260930.xsd#pbf_InsuranceDeductiblesAndRetentions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_pbf_InsuranceDeductiblesAndRetentions_019fce12-b039-7089-b19e-92ab7f21fb5f" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_DurationOfWaitingPeriodBeforeBusinessInterruptionCoverageBegins_019fce12-b039-742b-8732-bb232e7c8c64" xlink:href="pbf-20260930.xsd#pbf_DurationOfWaitingPeriodBeforeBusinessInterruptionCoverageBegins"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_pbf_DurationOfWaitingPeriodBeforeBusinessInterruptionCoverageBegins_019fce12-b039-742b-8732-bb232e7c8c64" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnusualOrInfrequentItemInsuranceProceeds_019fce12-b039-785c-8653-17a9a11ed223" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnusualOrInfrequentItemInsuranceProceeds"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_us-gaap_UnusualOrInfrequentItemInsuranceProceeds_019fce12-b039-785c-8653-17a9a11ed223" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InsuranceSettlementsReceivable_01a140f1-e161-70cc-b5f6-3b25a132b03d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InsuranceSettlementsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_us-gaap_InsuranceSettlementsReceivable_01a140f1-e161-70cc-b5f6-3b25a132b03d" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InsuranceRecoveries_019fce12-b039-7e82-b2fe-0fb1644b41bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InsuranceRecoveries"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_us-gaap_InsuranceRecoveries_019fce12-b039-7e82-b2fe-0fb1644b41bc" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_019fce12-b039-7ba9-9610-f94a267c9e48" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_us-gaap_OperatingExpenses_019fce12-b039-7ba9-9610-f94a267c9e48" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_NumberOfTerminalFacilitiesSold_01a140f3-6f93-7156-b9f1-7ba6c56d3b0d" xlink:href="pbf-20260930.xsd#pbf_NumberOfTerminalFacilitiesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_pbf_NumberOfTerminalFacilitiesSold_01a140f3-6f93-7156-b9f1-7ba6c56d3b0d" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_ProceedsFromSaleOfAssetsExcludingCommissionsAndFees_01a140f4-0804-74fe-9a04-1749d358a61a" xlink:href="pbf-20260930.xsd#pbf_ProceedsFromSaleOfAssetsExcludingCommissionsAndFees"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_pbf_ProceedsFromSaleOfAssetsExcludingCommissionsAndFees_01a140f4-0804-74fe-9a04-1749d358a61a" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_01a140f4-b040-7545-aace-753013d4406c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_DescriptionOfBusinessLineItems_019fce12-b039-74da-a23a-4b41b4a44686" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_01a140f4-b040-7545-aace-753013d4406c" xlink:type="arc" order="15"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/INVENTORIESDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#INVENTORIESDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/INVENTORIESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryLineItems_019fce12-b039-72ec-ab8d-82cf3a626a1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryCurrentTable_019fce12-b039-7b55-9209-8bea1acf0d23" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryCurrentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_InventoryLineItems_019fce12-b039-72ec-ab8d-82cf3a626a1f" xlink:to="loc_us-gaap_InventoryCurrentTable_019fce12-b039-7b55-9209-8bea1acf0d23" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_019fce12-b039-72cc-b4ed-e3dda7045acb" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementScenarioAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_InventoryCurrentTable_019fce12-b039-7b55-9209-8bea1acf0d23" xlink:to="loc_srt_StatementScenarioAxis_019fce12-b039-72cc-b4ed-e3dda7045acb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_019fce12-b039-72cc-b4ed-e3dda7045acb_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementScenarioAxis_019fce12-b039-72cc-b4ed-e3dda7045acb" xlink:to="loc_srt_ScenarioUnspecifiedDomain_019fce12-b039-72cc-b4ed-e3dda7045acb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_019fce12-b039-76f6-91d0-7cb4c29c5f97" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementScenarioAxis_019fce12-b039-72cc-b4ed-e3dda7045acb" xlink:to="loc_srt_ScenarioUnspecifiedDomain_019fce12-b039-76f6-91d0-7cb4c29c5f97" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScenarioAdjustmentMember_019fce12-b039-7fae-b0f4-5d5946fdbd62" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScenarioAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ScenarioUnspecifiedDomain_019fce12-b039-76f6-91d0-7cb4c29c5f97" xlink:to="loc_us-gaap_ScenarioAdjustmentMember_019fce12-b039-7fae-b0f4-5d5946fdbd62" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CrudeOilAndNaturalGasLiquids_019fce12-b039-7bac-8394-15b189a7a56d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CrudeOilAndNaturalGasLiquids"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_019fce12-b039-72ec-ab8d-82cf3a626a1f" xlink:to="loc_us-gaap_CrudeOilAndNaturalGasLiquids_019fce12-b039-7bac-8394-15b189a7a56d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_EnergyRelatedInventoryRefinedProductsAndBlendstocks_019fce12-b039-747e-9317-46d7c0290274" xlink:href="pbf-20260930.xsd#pbf_EnergyRelatedInventoryRefinedProductsAndBlendstocks"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_019fce12-b039-72ec-ab8d-82cf3a626a1f" xlink:to="loc_pbf_EnergyRelatedInventoryRefinedProductsAndBlendstocks_019fce12-b039-747e-9317-46d7c0290274" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherInventorySupplies_019fce12-b039-75fb-9f8e-5dd1f8326393" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherInventorySupplies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_019fce12-b039-72ec-ab8d-82cf3a626a1f" xlink:to="loc_us-gaap_OtherInventorySupplies_019fce12-b039-75fb-9f8e-5dd1f8326393" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryGross_019fce12-b039-752e-86e8-3ac0f05f0554" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_019fce12-b039-72ec-ab8d-82cf3a626a1f" xlink:to="loc_us-gaap_InventoryGross_019fce12-b039-752e-86e8-3ac0f05f0554" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryAdjustments_019fce12-b039-777e-9931-97ffdbe67841" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_019fce12-b039-72ec-ab8d-82cf3a626a1f" xlink:to="loc_us-gaap_InventoryAdjustments_019fce12-b039-777e-9931-97ffdbe67841" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019fce12-b039-75bc-9d42-5e4cfe3b05c3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_019fce12-b039-72ec-ab8d-82cf3a626a1f" xlink:to="loc_us-gaap_InventoryNet_019fce12-b039-75bc-9d42-5e4cfe3b05c3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue_019fce12-b039-7d8e-b85b-1252d8b6b6af" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_019fce12-b039-72ec-ab8d-82cf3a626a1f" xlink:to="loc_us-gaap_ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue_019fce12-b039-7d8e-b85b-1252d8b6b6af" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019fce12-b039-7243-977b-72b4daa79ce1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_019fce12-b039-72ec-ab8d-82cf3a626a1f" xlink:to="loc_us-gaap_OperatingIncomeLoss_019fce12-b039-7243-977b-72b4daa79ce1" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryLIFOReserveEffectOnIncomeNet_019fce12-b039-729e-b464-385074c0b37a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryLIFOReserveEffectOnIncomeNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InventoryLineItems_019fce12-b039-72ec-ab8d-82cf3a626a1f" xlink:to="loc_us-gaap_InventoryLIFOReserveEffectOnIncomeNet_019fce12-b039-729e-b464-385074c0b37a" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/CREDITFACILITIESANDDEBTSummaryofLongTermDebtDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#CREDITFACILITIESANDDEBTSummaryofLongTermDebtDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/CREDITFACILITIESANDDEBTSummaryofLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_019fce12-b039-7cd9-a1fe-a97db6400c39" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fce12-b039-7223-82ef-2f3d3e50abee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fce12-b039-7cd9-a1fe-a97db6400c39" xlink:to="loc_us-gaap_DebtInstrumentTable_019fce12-b039-7223-82ef-2f3d3e50abee" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fce12-b039-7fbc-ae76-f76ff59ac9b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fce12-b039-7223-82ef-2f3d3e50abee" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fce12-b039-7fbc-ae76-f76ff59ac9b8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-7fbc-ae76-f76ff59ac9b8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fce12-b039-7fbc-ae76-f76ff59ac9b8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-7fbc-ae76-f76ff59ac9b8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-72ee-b12a-874a9df0f73c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fce12-b039-7fbc-ae76-f76ff59ac9b8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-72ee-b12a-874a9df0f73c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20309.875SeniorNotesMember_019fce12-b039-712f-8dc3-b74d8687fcb3" xlink:href="pbf-20260930.xsd#pbf_A20309.875SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-72ee-b12a-874a9df0f73c" xlink:to="loc_pbf_A20309.875SeniorNotesMember_019fce12-b039-712f-8dc3-b74d8687fcb3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20307.875SeniorNotesMember_019fce12-b039-7b05-92a0-1ef6b6aa5de0" xlink:href="pbf-20260930.xsd#pbf_A20307.875SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-72ee-b12a-874a9df0f73c" xlink:to="loc_pbf_A20307.875SeniorNotesMember_019fce12-b039-7b05-92a0-1ef6b6aa5de0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20347.25SeniorNotesMember_019fce12-b039-7ea1-a2de-f5235561b1d2" xlink:href="pbf-20260930.xsd#pbf_A20347.25SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-72ee-b12a-874a9df0f73c" xlink:to="loc_pbf_A20347.25SeniorNotesMember_019fce12-b039-7ea1-a2de-f5235561b1d2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20286.000SeniorNotesMember_019fce12-b039-7cf1-8e42-6b66b984e6b2" xlink:href="pbf-20260930.xsd#pbf_A20286.000SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-72ee-b12a-874a9df0f73c" xlink:to="loc_pbf_A20286.000SeniorNotesMember_019fce12-b039-7cf1-8e42-6b66b984e6b2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A2032ExchangeableNotesMember_01a145ca-d951-7077-867c-7213689be3d5" xlink:href="pbf-20260930.xsd#pbf_A2032ExchangeableNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-72ee-b12a-874a9df0f73c" xlink:to="loc_pbf_A2032ExchangeableNotesMember_01a145ca-d951-7077-867c-7213689be3d5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PromissoryNoteMember_01a145cb-2a21-7b19-b9d3-c3877e04d86a" xlink:href="pbf-20260930.xsd#pbf_PromissoryNoteMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-72ee-b12a-874a9df0f73c" xlink:to="loc_pbf_PromissoryNoteMember_01a145cb-2a21-7b19-b9d3-c3877e04d86a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019fce12-b039-7b5c-8fc0-524958dd0425" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fce12-b039-7223-82ef-2f3d3e50abee" xlink:to="loc_us-gaap_CreditFacilityAxis_019fce12-b039-7b5c-8fc0-524958dd0425" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fce12-b039-7b5c-8fc0-524958dd0425_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019fce12-b039-7b5c-8fc0-524958dd0425" xlink:to="loc_us-gaap_CreditFacilityDomain_019fce12-b039-7b5c-8fc0-524958dd0425_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fce12-b039-7b32-bd3e-5b1d9d2e362c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019fce12-b039-7b5c-8fc0-524958dd0425" xlink:to="loc_us-gaap_CreditFacilityDomain_019fce12-b039-7b32-bd3e-5b1d9d2e362c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019fce12-b039-70f3-baa7-751837ca2c84" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fce12-b039-7b32-bd3e-5b1d9d2e362c" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019fce12-b039-70f3-baa7-751837ca2c84" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fce12-b039-7b47-94b9-388e2f1ee628" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fce12-b039-7223-82ef-2f3d3e50abee" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fce12-b039-7b47-94b9-388e2f1ee628" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7b47-94b9-388e2f1ee628_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fce12-b039-7b47-94b9-388e2f1ee628" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7b47-94b9-388e2f1ee628_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7000-960b-769c301bfb93" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fce12-b039-7b47-94b9-388e2f1ee628" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7000-960b-769c301bfb93" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20309.875SeniorNotesMember_019fce12-b039-7b8f-949c-20195e9d4baf" xlink:href="pbf-20260930.xsd#pbf_A20309.875SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7000-960b-769c301bfb93" xlink:to="loc_pbf_A20309.875SeniorNotesMember_019fce12-b039-7b8f-949c-20195e9d4baf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20307.875SeniorNotesMember_019fce12-b039-7497-bce5-720013ce40ce" xlink:href="pbf-20260930.xsd#pbf_A20307.875SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7000-960b-769c301bfb93" xlink:to="loc_pbf_A20307.875SeniorNotesMember_019fce12-b039-7497-bce5-720013ce40ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20347.25SeniorNotesMember_019fce12-b039-7d92-8100-6cd468bea45b" xlink:href="pbf-20260930.xsd#pbf_A20347.25SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7000-960b-769c301bfb93" xlink:to="loc_pbf_A20347.25SeniorNotesMember_019fce12-b039-7d92-8100-6cd468bea45b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20286.000SeniorNotesMember_019fce12-b039-7fcc-98a8-73e99f68b0e5" xlink:href="pbf-20260930.xsd#pbf_A20286.000SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7000-960b-769c301bfb93" xlink:to="loc_pbf_A20286.000SeniorNotesMember_019fce12-b039-7fcc-98a8-73e99f68b0e5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A2032ExchangeableNotesMember_01a145cc-fbcf-714d-827b-3a4907f676c6" xlink:href="pbf-20260930.xsd#pbf_A2032ExchangeableNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7000-960b-769c301bfb93" xlink:to="loc_pbf_A2032ExchangeableNotesMember_01a145cc-fbcf-714d-827b-3a4907f676c6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fce12-b039-7b52-80b6-9398d9a1a69b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fce12-b039-7cd9-a1fe-a97db6400c39" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fce12-b039-7b52-80b6-9398d9a1a69b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019fce12-b039-744b-810d-ef1e45ccafd5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fce12-b039-7cd9-a1fe-a97db6400c39" xlink:to="loc_us-gaap_LongTermDebt_019fce12-b039-744b-810d-ef1e45ccafd5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_019fce12-b039-7dd0-9e77-367024e9e99b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fce12-b039-7cd9-a1fe-a97db6400c39" xlink:to="loc_us-gaap_LineOfCredit_019fce12-b039-7dd0-9e77-367024e9e99b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fce12-b039-7306-9a2e-c39173e8ab43" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fce12-b039-7cd9-a1fe-a97db6400c39" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019fce12-b039-7306-9a2e-c39173e8ab43" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_01a145cb-fdd6-77e0-9e3b-cec990de6f48" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fce12-b039-7cd9-a1fe-a97db6400c39" xlink:to="loc_us-gaap_LongTermDebtCurrent_01a145cb-fdd6-77e0-9e3b-cec990de6f48" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_019fce12-b039-732b-b1ce-865d47ec091e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnamortizedDebtIssuanceExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fce12-b039-7cd9-a1fe-a97db6400c39" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_019fce12-b039-732b-b1ce-865d47ec091e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_019fce12-b039-700b-8c15-f7328e9321f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fce12-b039-7cd9-a1fe-a97db6400c39" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_019fce12-b039-700b-8c15-f7328e9321f7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019fce12-b039-7c5c-b878-827a793ca77a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_019fce12-b039-7cd9-a1fe-a97db6400c39" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019fce12-b039-7c5c-b878-827a793ca77a" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/CREDITFACILIITIESANDDEBTAdditionalInformationDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#CREDITFACILIITIESANDDEBTAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/CREDITFACILIITIESANDDEBTAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_019fce12-b039-7d11-875c-7518f9a53aa7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_DebtInstrumentTable_019fce12-b039-7d11-875c-7518f9a53aa7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_019fce12-b039-74e7-b915-2aad6aabb267" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fce12-b039-7d11-875c-7518f9a53aa7" xlink:to="loc_us-gaap_DebtInstrumentAxis_019fce12-b039-74e7-b915-2aad6aabb267" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-74e7-b915-2aad6aabb267_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fce12-b039-74e7-b915-2aad6aabb267" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-74e7-b915-2aad6aabb267_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f71-b047-8f49f5a5b111" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_019fce12-b039-74e7-b915-2aad6aabb267" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f71-b047-8f49f5a5b111" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20309.875SeniorNotesMember_019fce12-b039-7909-9662-e3619402e2ac" xlink:href="pbf-20260930.xsd#pbf_A20309.875SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f71-b047-8f49f5a5b111" xlink:to="loc_pbf_A20309.875SeniorNotesMember_019fce12-b039-7909-9662-e3619402e2ac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20286.000SeniorNotesMember_019fce12-b039-78bb-95de-ddcd30a09414" xlink:href="pbf-20260930.xsd#pbf_A20286.000SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f71-b047-8f49f5a5b111" xlink:to="loc_pbf_A20286.000SeniorNotesMember_019fce12-b039-78bb-95de-ddcd30a09414" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20307.875SeniorNotesMember_019fce12-b039-7c2c-b372-e4c2e12bd7fd" xlink:href="pbf-20260930.xsd#pbf_A20307.875SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f71-b047-8f49f5a5b111" xlink:to="loc_pbf_A20307.875SeniorNotesMember_019fce12-b039-7c2c-b372-e4c2e12bd7fd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20347.25SeniorNotesMember_019fce12-b039-7fa5-bca9-7813bf5d2174" xlink:href="pbf-20260930.xsd#pbf_A20347.25SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f71-b047-8f49f5a5b111" xlink:to="loc_pbf_A20347.25SeniorNotesMember_019fce12-b039-7fa5-bca9-7813bf5d2174" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A2032ExchangeableNotesMember_01a145cd-c160-7297-b4e7-500b25470867" xlink:href="pbf-20260930.xsd#pbf_A2032ExchangeableNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_019fce12-b039-7f71-b047-8f49f5a5b111" xlink:to="loc_pbf_A2032ExchangeableNotesMember_01a145cd-c160-7297-b4e7-500b25470867" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_RedemptionTypeAxis_019fce12-b039-7371-80ad-1b9afe2f43d9" xlink:href="pbf-20260930.xsd#pbf_RedemptionTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fce12-b039-7d11-875c-7518f9a53aa7" xlink:to="loc_pbf_RedemptionTypeAxis_019fce12-b039-7371-80ad-1b9afe2f43d9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_RedemptionTypeDomain_019fce12-b039-7371-80ad-1b9afe2f43d9_default" xlink:href="pbf-20260930.xsd#pbf_RedemptionTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_pbf_RedemptionTypeAxis_019fce12-b039-7371-80ad-1b9afe2f43d9" xlink:to="loc_pbf_RedemptionTypeDomain_019fce12-b039-7371-80ad-1b9afe2f43d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_RedemptionTypeDomain_019fce12-b039-730b-9c04-b9ee6992b935" xlink:href="pbf-20260930.xsd#pbf_RedemptionTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_pbf_RedemptionTypeAxis_019fce12-b039-7371-80ad-1b9afe2f43d9" xlink:to="loc_pbf_RedemptionTypeDomain_019fce12-b039-730b-9c04-b9ee6992b935" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_ChangeOfControlThatResultsInARatingsDeclineMember_019fce12-b039-72c7-a05d-f50bd531e1b7" xlink:href="pbf-20260930.xsd#pbf_ChangeOfControlThatResultsInARatingsDeclineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_RedemptionTypeDomain_019fce12-b039-730b-9c04-b9ee6992b935" xlink:to="loc_pbf_ChangeOfControlThatResultsInARatingsDeclineMember_019fce12-b039-72c7-a05d-f50bd531e1b7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_CovenantTerminationEventInConnectionWithCertainAssetDispositionMember_019fce12-b039-7a4f-80d4-e6fbc5fc8737" xlink:href="pbf-20260930.xsd#pbf_CovenantTerminationEventInConnectionWithCertainAssetDispositionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_RedemptionTypeDomain_019fce12-b039-730b-9c04-b9ee6992b935" xlink:to="loc_pbf_CovenantTerminationEventInConnectionWithCertainAssetDispositionMember_019fce12-b039-7a4f-80d4-e6fbc5fc8737" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_01a145e9-e14e-7d9e-b052-d7b82026d11a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_019fce12-b039-7d11-875c-7518f9a53aa7" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_01a145e9-e14e-7d9e-b052-d7b82026d11a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_01a145e9-e14e-7d9e-b052-d7b82026d11a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_01a145e9-e14e-7d9e-b052-d7b82026d11a" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_01a145e9-e14e-7d9e-b052-d7b82026d11a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_01a145e9-e14e-7f3e-9a6c-282921c7da31" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_01a145e9-e14e-7d9e-b052-d7b82026d11a" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_01a145e9-e14e-7f3e-9a6c-282921c7da31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PromissoryNoteMember_01a145e9-e14e-791f-9c25-4cadea83916c" xlink:href="pbf-20260930.xsd#pbf_PromissoryNoteMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_01a145e9-e14e-7f3e-9a6c-282921c7da31" xlink:to="loc_pbf_PromissoryNoteMember_01a145e9-e14e-791f-9c25-4cadea83916c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019fce12-b039-7235-b728-58678156e71f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_LongTermDebt_019fce12-b039-7235-b728-58678156e71f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fce12-b039-7b7b-9add-43ace858e2e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_019fce12-b039-7b7b-9add-43ace858e2e4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_019fce12-b039-74fb-8256-041ad938a641" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromDebtNetOfIssuanceCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_019fce12-b039-74fb-8256-041ad938a641" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_019fce12-b039-7a83-8442-a0a1c2e9f49c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_019fce12-b039-7a83-8442-a0a1c2e9f49c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_019fce12-b039-75fc-9a38-f56b21fec3bf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_019fce12-b039-75fc-9a38-f56b21fec3bf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_DebtInstrumentConditionalRedemptionThresholdPercentageOfAggregatePrincipalAmountOriginallyIssuedRemainsOutstanding_019fce12-b039-759d-a5a8-f6c92d8ed32d" xlink:href="pbf-20260930.xsd#pbf_DebtInstrumentConditionalRedemptionThresholdPercentageOfAggregatePrincipalAmountOriginallyIssuedRemainsOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_pbf_DebtInstrumentConditionalRedemptionThresholdPercentageOfAggregatePrincipalAmountOriginallyIssuedRemainsOutstanding_019fce12-b039-759d-a5a8-f6c92d8ed32d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_019fce12-b039-7b0f-a2a5-d138c00f28fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_019fce12-b039-7b0f-a2a5-d138c00f28fe" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PaymentsForPurchaseOfCappedCallOption_01a145cf-07d2-70b4-9c58-7392d6689256" xlink:href="pbf-20260930.xsd#pbf_PaymentsForPurchaseOfCappedCallOption"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_pbf_PaymentsForPurchaseOfCappedCallOption_01a145cf-07d2-70b4-9c58-7392d6689256" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_DebtInstrumentSpecialInterestRateMaximum_01a145d3-5b28-70ed-90af-1a1a329756ed" xlink:href="pbf-20260930.xsd#pbf_DebtInstrumentSpecialInterestRateMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_pbf_DebtInstrumentSpecialInterestRateMaximum_01a145d3-5b28-70ed-90af-1a1a329756ed" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_01a145d6-93f8-7c90-817b-3bfaedf76fb1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentConvertibleConversionRatio1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_01a145d6-93f8-7c90-817b-3bfaedf76fb1" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_DebtInstrumentConvertibleCarryingAmountOfNoteDenomination_01a145d7-8a59-7d59-bb72-084e09b557b4" xlink:href="pbf-20260930.xsd#pbf_DebtInstrumentConvertibleCarryingAmountOfNoteDenomination"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_pbf_DebtInstrumentConvertibleCarryingAmountOfNoteDenomination_01a145d7-8a59-7d59-bb72-084e09b557b4" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_01a145d8-0a30-790c-9234-6a6033687f7e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_01a145d8-0a30-790c-9234-6a6033687f7e" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_01a145da-2522-7b28-a86d-e11a5cef699c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_01a145da-2522-7b28-a86d-e11a5cef699c" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_DebtInstrumentRedemptionThresholdRemainingPrincipalPercentage_01a145db-fcdd-7542-a841-22376062f339" xlink:href="pbf-20260930.xsd#pbf_DebtInstrumentRedemptionThresholdRemainingPrincipalPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_pbf_DebtInstrumentRedemptionThresholdRemainingPrincipalPercentage_01a145db-fcdd-7542-a841-22376062f339" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_DebtInstrumentRegistrationDefaultSpecialInterestRateInitial_01a145de-6928-707c-a93f-ff0c04ed48c8" xlink:href="pbf-20260930.xsd#pbf_DebtInstrumentRegistrationDefaultSpecialInterestRateInitial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_pbf_DebtInstrumentRegistrationDefaultSpecialInterestRateInitial_01a145de-6928-707c-a93f-ff0c04ed48c8" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_DebtInstrumentRegistrationDefaultSpecialInterestRateSubsequent_01a145df-952a-7093-ab5c-fecdd3735534" xlink:href="pbf-20260930.xsd#pbf_DebtInstrumentRegistrationDefaultSpecialInterestRateSubsequent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_pbf_DebtInstrumentRegistrationDefaultSpecialInterestRateSubsequent_01a145df-952a-7093-ab5c-fecdd3735534" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_CappedCallTransactionInitialStrikePricePerShare_01a145e1-258e-7735-83a6-ca40709ad9d6" xlink:href="pbf-20260930.xsd#pbf_CappedCallTransactionInitialStrikePricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_pbf_CappedCallTransactionInitialStrikePricePerShare_01a145e1-258e-7735-83a6-ca40709ad9d6" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_CappedCallTransactionInitialCapPricePerShare_01a145e1-bd3a-73e5-a64a-dd7d4df7d833" xlink:href="pbf-20260930.xsd#pbf_CappedCallTransactionInitialCapPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_pbf_CappedCallTransactionInitialCapPricePerShare_01a145e1-bd3a-73e5-a64a-dd7d4df7d833" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_01a145e3-f9c3-7f95-a5d0-72d34ff76677" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_01a145e3-f9c3-7f95-a5d0-72d34ff76677" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01a145e6-d878-76dc-a240-ef97eb72001d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01a145e6-d878-76dc-a240-ef97eb72001d" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_01a145eb-6463-7b97-a114-97347f1f2495" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_01a145eb-6463-7b97-a114-97347f1f2495" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_NumberOfHydrogenPlantsAcquired_01a15620-2d0a-7b93-9ad4-ef865209d07f" xlink:href="pbf-20260930.xsd#pbf_NumberOfHydrogenPlantsAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-712d-95b7-a5b40a35800b" xlink:to="loc_pbf_NumberOfHydrogenPlantsAcquired_01a15620-2d0a-7b93-9ad4-ef865209d07f" xlink:type="arc" order="21"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#RELATEDPARTYTRANSACTIONSAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/RELATEDPARTYTRANSACTIONSAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-7b1c-88ad-51a15aa9cad3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fce12-b039-7d7d-becb-2c96789c6410" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-7b1c-88ad-51a15aa9cad3" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fce12-b039-7d7d-becb-2c96789c6410" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fce12-b039-75a3-97e4-7c20b4cd1228" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fce12-b039-7d7d-becb-2c96789c6410" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fce12-b039-75a3-97e4-7c20b4cd1228" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fce12-b039-75a3-97e4-7c20b4cd1228_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fce12-b039-75a3-97e4-7c20b4cd1228" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fce12-b039-75a3-97e4-7c20b4cd1228_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fce12-b039-757d-a1ae-35dca0ebee3d" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fce12-b039-75a3-97e4-7c20b4cd1228" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fce12-b039-757d-a1ae-35dca0ebee3d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_StBernardRenewablesLLCMember_019fce12-b039-7282-b8c9-d563a0c871c9" xlink:href="pbf-20260930.xsd#pbf_StBernardRenewablesLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fce12-b039-757d-a1ae-35dca0ebee3d" xlink:to="loc_pbf_StBernardRenewablesLLCMember_019fce12-b039-7282-b8c9-d563a0c871c9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fce12-b039-791f-9713-20b94f1cfd4e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fce12-b039-7d7d-becb-2c96789c6410" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fce12-b039-791f-9713-20b94f1cfd4e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fce12-b039-791f-9713-20b94f1cfd4e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fce12-b039-791f-9713-20b94f1cfd4e" xlink:to="loc_us-gaap_RelatedPartyDomain_019fce12-b039-791f-9713-20b94f1cfd4e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fce12-b039-77cd-84b0-7f74b8b92d87" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fce12-b039-791f-9713-20b94f1cfd4e" xlink:to="loc_us-gaap_RelatedPartyDomain_019fce12-b039-77cd-84b0-7f74b8b92d87" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember_019fce12-b039-7ff6-8175-8d1f41d0a636" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_019fce12-b039-77cd-84b0-7f74b8b92d87" xlink:to="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember_019fce12-b039-7ff6-8175-8d1f41d0a636" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionTypeAxis_01a14117-d679-711a-8ce5-517368c47b86" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransactionTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fce12-b039-7d7d-becb-2c96789c6410" xlink:to="loc_us-gaap_TransactionTypeAxis_01a14117-d679-711a-8ce5-517368c47b86" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionDomain_01a14117-d679-711a-8ce5-517368c47b86_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TransactionTypeAxis_01a14117-d679-711a-8ce5-517368c47b86" xlink:to="loc_us-gaap_TransactionDomain_01a14117-d679-711a-8ce5-517368c47b86_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionDomain_01a14117-d679-7ce6-b4a2-a0a09db9d477" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TransactionTypeAxis_01a14117-d679-711a-8ce5-517368c47b86" xlink:to="loc_us-gaap_TransactionDomain_01a14117-d679-7ce6-b4a2-a0a09db9d477" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashDistributionMember_01a14117-fc46-7e27-88c7-c1d7eb6a28fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashDistributionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransactionDomain_01a14117-d679-7ce6-b4a2-a0a09db9d477" xlink:to="loc_us-gaap_CashDistributionMember_01a14117-fc46-7e27-88c7-c1d7eb6a28fc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_019fce12-b039-7642-b66d-5e43972a2929" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-7b1c-88ad-51a15aa9cad3" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_019fce12-b039-7642-b66d-5e43972a2929" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_019fce12-b039-728f-9773-f644ca2f3e14" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-7b1c-88ad-51a15aa9cad3" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_019fce12-b039-728f-9773-f644ca2f3e14" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_LimitedFinancialPerformanceGuaranteeOfATermLoan_019fce12-b039-792d-8353-2fc0d0ef1914" xlink:href="pbf-20260930.xsd#pbf_LimitedFinancialPerformanceGuaranteeOfATermLoan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-7b1c-88ad-51a15aa9cad3" xlink:to="loc_pbf_LimitedFinancialPerformanceGuaranteeOfATermLoan_019fce12-b039-792d-8353-2fc0d0ef1914" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_GuarantorObligationsMaximumExposurePercentage_019fce12-b039-7a78-8b9e-a597d1a2275b" xlink:href="pbf-20260930.xsd#pbf_GuarantorObligationsMaximumExposurePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-7b1c-88ad-51a15aa9cad3" xlink:to="loc_pbf_GuarantorObligationsMaximumExposurePercentage_019fce12-b039-7a78-8b9e-a597d1a2275b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_019fce12-b039-7e75-9e7e-f38a53b62c3d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-7b1c-88ad-51a15aa9cad3" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_019fce12-b039-7e75-9e7e-f38a53b62c3d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_01a14115-7b85-7fb7-ac42-28b541234fb3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-7b1c-88ad-51a15aa9cad3" xlink:to="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_01a14115-7b85-7fb7-ac42-28b541234fb3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_NoncashDistributionFromEquityMethodInvestmentNumberOfCFPCs_01a14119-f6f9-75a5-ab5e-75dfa209d485" xlink:href="pbf-20260930.xsd#pbf_NoncashDistributionFromEquityMethodInvestmentNumberOfCFPCs"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-7b1c-88ad-51a15aa9cad3" xlink:to="loc_pbf_NoncashDistributionFromEquityMethodInvestmentNumberOfCFPCs_01a14119-f6f9-75a5-ab5e-75dfa209d485" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_FairValuePerCFPCCredit_01a1411c-4bdd-7e28-a72c-6764a82852ce" xlink:href="pbf-20260930.xsd#pbf_FairValuePerCFPCCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-7b1c-88ad-51a15aa9cad3" xlink:to="loc_pbf_FairValuePerCFPCCredit_01a1411c-4bdd-7e28-a72c-6764a82852ce" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_NoncashDistributionFromEquityMethodInvestmentDollarValueOfCFPCsReceived_01a14120-b1df-703e-9a69-c46a8a650c98" xlink:href="pbf-20260930.xsd#pbf_NoncashDistributionFromEquityMethodInvestmentDollarValueOfCFPCsReceived"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-7b1c-88ad-51a15aa9cad3" xlink:to="loc_pbf_NoncashDistributionFromEquityMethodInvestmentDollarValueOfCFPCsReceived_01a14120-b1df-703e-9a69-c46a8a650c98" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/RELATEDPARTYTRANSACTIONSSummaryofRelatedPartyTransactionsDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#RELATEDPARTYTRANSACTIONSSummaryofRelatedPartyTransactionsDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/RELATEDPARTYTRANSACTIONSSummaryofRelatedPartyTransactionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-75d0-bdcd-01d330f60e13" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fce12-b039-7afd-936d-491068e20ed3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-75d0-bdcd-01d330f60e13" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fce12-b039-7afd-936d-491068e20ed3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fce12-b039-7582-a9cf-fc03e0b2b46a" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fce12-b039-7afd-936d-491068e20ed3" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fce12-b039-7582-a9cf-fc03e0b2b46a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fce12-b039-7582-a9cf-fc03e0b2b46a_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fce12-b039-7582-a9cf-fc03e0b2b46a" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fce12-b039-7582-a9cf-fc03e0b2b46a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_019fce12-b039-789b-864b-1e531b27ff25" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_019fce12-b039-7582-a9cf-fc03e0b2b46a" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_019fce12-b039-789b-864b-1e531b27ff25" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_StBernardRenewablesLLCMember_019fce12-b039-7758-8728-f29f170ebeba" xlink:href="pbf-20260930.xsd#pbf_StBernardRenewablesLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_019fce12-b039-789b-864b-1e531b27ff25" xlink:to="loc_pbf_StBernardRenewablesLLCMember_019fce12-b039-7758-8728-f29f170ebeba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fce12-b039-7a97-890f-f7bb7ae62a9f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fce12-b039-7afd-936d-491068e20ed3" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fce12-b039-7a97-890f-f7bb7ae62a9f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fce12-b039-7a97-890f-f7bb7ae62a9f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fce12-b039-7a97-890f-f7bb7ae62a9f" xlink:to="loc_us-gaap_RelatedPartyDomain_019fce12-b039-7a97-890f-f7bb7ae62a9f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_019fce12-b039-7604-954c-9e9f0aa70205" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_019fce12-b039-7a97-890f-f7bb7ae62a9f" xlink:to="loc_us-gaap_RelatedPartyDomain_019fce12-b039-7604-954c-9e9f0aa70205" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember_019fce12-b039-7d3b-8b97-4a723b95ec93" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_019fce12-b039-7604-954c-9e9f0aa70205" xlink:to="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember_019fce12-b039-7d3b-8b97-4a723b95ec93" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_019fce12-b039-71d3-90c2-7d7a4f58f499" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fce12-b039-7afd-936d-491068e20ed3" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_019fce12-b039-71d3-90c2-7d7a4f58f499" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_019fce12-b039-71d3-90c2-7d7a4f58f499_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_019fce12-b039-71d3-90c2-7d7a4f58f499" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_019fce12-b039-71d3-90c2-7d7a4f58f499_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_019fce12-b039-7d59-b9be-3ef06d3a5d54" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_019fce12-b039-71d3-90c2-7d7a4f58f499" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_019fce12-b039-7d59-b9be-3ef06d3a5d54" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_019fce12-b039-77f2-a768-6cab0d317782" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_019fce12-b039-7d59-b9be-3ef06d3a5d54" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_019fce12-b039-77f2-a768-6cab0d317782" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_019fce12-b039-711a-bc02-a19c7b06b63d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_019fce12-b039-7d59-b9be-3ef06d3a5d54" xlink:to="loc_us-gaap_CostOfSalesMember_019fce12-b039-711a-bc02-a19c7b06b63d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis_019fce12-b039-7be0-a2be-c16e74af396d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_019fce12-b039-7afd-936d-491068e20ed3" xlink:to="loc_us-gaap_RelatedPartyTransactionAxis_019fce12-b039-7be0-a2be-c16e74af396d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_019fce12-b039-7be0-a2be-c16e74af396d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_019fce12-b039-7be0-a2be-c16e74af396d" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_019fce12-b039-7be0-a2be-c16e74af396d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_019fce12-b039-713b-bc41-d02014e7cdac" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_019fce12-b039-7be0-a2be-c16e74af396d" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_019fce12-b039-713b-bc41-d02014e7cdac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_OperatingAgreementMember_019fce12-b039-7d17-b393-8720c955e49f" xlink:href="pbf-20260930.xsd#pbf_OperatingAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_019fce12-b039-713b-bc41-d02014e7cdac" xlink:to="loc_pbf_OperatingAgreementMember_019fce12-b039-7d17-b393-8720c955e49f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_OmnibusAgreementMember_019fce12-b039-728c-84f0-afc69b245f62" xlink:href="pbf-20260930.xsd#pbf_OmnibusAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_019fce12-b039-713b-bc41-d02014e7cdac" xlink:to="loc_pbf_OmnibusAgreementMember_019fce12-b039-728c-84f0-afc69b245f62" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_CommonAssetUseAndServitudeAgreementMember_019fce12-b039-7de8-8f69-ab5c7f1a6c29" xlink:href="pbf-20260930.xsd#pbf_CommonAssetUseAndServitudeAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_019fce12-b039-713b-bc41-d02014e7cdac" xlink:to="loc_pbf_CommonAssetUseAndServitudeAgreementMember_019fce12-b039-7de8-8f69-ab5c7f1a6c29" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseAgreementsMember_019fce12-b039-765a-b7fe-a320052f98da" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LeaseAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_019fce12-b039-713b-bc41-d02014e7cdac" xlink:to="loc_us-gaap_LeaseAgreementsMember_019fce12-b039-765a-b7fe-a320052f98da" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_CommercialAgreementTransactionsAbstract_019fce12-b039-71b8-9807-240e458fba8a" xlink:href="pbf-20260930.xsd#pbf_CommercialAgreementTransactionsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-75d0-bdcd-01d330f60e13" xlink:to="loc_pbf_CommercialAgreementTransactionsAbstract_019fce12-b039-71b8-9807-240e458fba8a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fce12-b039-7dbf-9a9a-683575a42468" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_CommercialAgreementTransactionsAbstract_019fce12-b039-71b8-9807-240e458fba8a" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fce12-b039-7dbf-9a9a-683575a42468" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_019fce12-b039-76b6-a0ef-3478af4e9ab8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_CommercialAgreementTransactionsAbstract_019fce12-b039-71b8-9807-240e458fba8a" xlink:to="loc_us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty_019fce12-b039-76b6-a0ef-3478af4e9ab8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_ReimbursementsUnderRelatedPartyAgreementsAbstract_019fce12-b039-74d0-b040-2a699f7b1d9c" xlink:href="pbf-20260930.xsd#pbf_ReimbursementsUnderRelatedPartyAgreementsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_019fce12-b039-75d0-bdcd-01d330f60e13" xlink:to="loc_pbf_ReimbursementsUnderRelatedPartyAgreementsAbstract_019fce12-b039-74d0-b040-2a699f7b1d9c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAmountsOfTransaction_019fce12-b039-7f97-8c3f-87df53d180fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RelatedPartyTransactionAmountsOfTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_ReimbursementsUnderRelatedPartyAgreementsAbstract_019fce12-b039-74d0-b040-2a699f7b1d9c" xlink:to="loc_us-gaap_RelatedPartyTransactionAmountsOfTransaction_019fce12-b039-7f97-8c3f-87df53d180fe" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/COMMITMENTSANDCONTINGENCIESDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#COMMITMENTSANDCONTINGENCIESDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/COMMITMENTSANDCONTINGENCIESDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_019fce12-b039-7a80-b9a4-6288109427db" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_019fce12-b039-7f02-a771-57ed75eb141e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fce12-b039-7a80-b9a4-6288109427db" xlink:to="loc_us-gaap_LossContingenciesTable_019fce12-b039-7f02-a771-57ed75eb141e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_019fce12-b039-7666-84e8-7cd5afd06113" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_019fce12-b039-7f02-a771-57ed75eb141e" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_019fce12-b039-7666-84e8-7cd5afd06113" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_019fce12-b039-7666-84e8-7cd5afd06113_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_019fce12-b039-7666-84e8-7cd5afd06113" xlink:to="loc_us-gaap_LossContingencyNatureDomain_019fce12-b039-7666-84e8-7cd5afd06113_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_019fce12-b039-7e7e-9b3d-9066d9bbe7c3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_019fce12-b039-7666-84e8-7cd5afd06113" xlink:to="loc_us-gaap_LossContingencyNatureDomain_019fce12-b039-7e7e-9b3d-9066d9bbe7c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalIssueMember_019fce12-b039-7ee3-b56d-2e5821e0b099" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EnvironmentalIssueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_019fce12-b039-7e7e-9b3d-9066d9bbe7c3" xlink:to="loc_us-gaap_EnvironmentalIssueMember_019fce12-b039-7ee3-b56d-2e5821e0b099" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fce12-b039-75e8-8e74-cfa09d197d13" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_019fce12-b039-7f02-a771-57ed75eb141e" xlink:to="loc_dei_LegalEntityAxis_019fce12-b039-75e8-8e74-cfa09d197d13" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-75e8-8e74-cfa09d197d13_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-75e8-8e74-cfa09d197d13" xlink:to="loc_dei_EntityDomain_019fce12-b039-75e8-8e74-cfa09d197d13_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-793b-80a8-3051a41bb8eb" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-75e8-8e74-cfa09d197d13" xlink:to="loc_dei_EntityDomain_019fce12-b039-793b-80a8-3051a41bb8eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_TorranceRefineryMember_019fce12-b039-77ed-a906-85325f73e013" xlink:href="pbf-20260930.xsd#pbf_TorranceRefineryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fce12-b039-793b-80a8-3051a41bb8eb" xlink:to="loc_pbf_TorranceRefineryMember_019fce12-b039-77ed-a906-85325f73e013" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PBFEnergyIncMember_019fce12-b039-7f09-8c8b-0ad7cf8be4b7" xlink:href="pbf-20260930.xsd#pbf_PBFEnergyIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fce12-b039-793b-80a8-3051a41bb8eb" xlink:to="loc_pbf_PBFEnergyIncMember_019fce12-b039-7f09-8c8b-0ad7cf8be4b7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7546-aa20-ac20298fd108" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_019fce12-b039-7f02-a771-57ed75eb141e" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7546-aa20-ac20298fd108" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7546-aa20-ac20298fd108_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7546-aa20-ac20298fd108" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7546-aa20-ac20298fd108_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-79d0-8fa6-7c39465294b9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7546-aa20-ac20298fd108" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-79d0-8fa6-7c39465294b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019fce12-b039-74db-83cc-5d607e6c4d1c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-79d0-8fa6-7c39465294b9" xlink:to="loc_us-gaap_CommonClassAMember_019fce12-b039-74db-83cc-5d607e6c4d1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingencies_019fce12-b039-751c-858d-997dcadb0834" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccrualForEnvironmentalLossContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fce12-b039-7a80-b9a4-6288109427db" xlink:to="loc_us-gaap_AccrualForEnvironmentalLossContingencies_019fce12-b039-751c-858d-997dcadb0834" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent_019fce12-b039-715a-992b-35042d0741f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fce12-b039-7a80-b9a4-6288109427db" xlink:to="loc_us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent_019fce12-b039-715a-992b-35042d0741f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_DistributiontoStockholdersAsaPercentofTaxBenefitReceivedfromIncreasesinTaxBasis_019fce12-b039-7569-822b-39c2d1091d4a" xlink:href="pbf-20260930.xsd#pbf_DistributiontoStockholdersAsaPercentofTaxBenefitReceivedfromIncreasesinTaxBasis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fce12-b039-7a80-b9a4-6288109427db" xlink:to="loc_pbf_DistributiontoStockholdersAsaPercentofTaxBenefitReceivedfromIncreasesinTaxBasis_019fce12-b039-7569-822b-39c2d1091d4a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_OwnershipPercentageOfEquityHeld_019fce12-b039-7f2e-9a93-bd754dea973c" xlink:href="pbf-20260930.xsd#pbf_OwnershipPercentageOfEquityHeld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fce12-b039-7a80-b9a4-6288109427db" xlink:to="loc_pbf_OwnershipPercentageOfEquityHeld_019fce12-b039-7f2e-9a93-bd754dea973c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PayabletoRelatedPartiesTaxReceivableAgreement_019fce12-b039-73c0-903a-df31f5304a5d" xlink:href="pbf-20260930.xsd#pbf_PayabletoRelatedPartiesTaxReceivableAgreement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fce12-b039-7a80-b9a4-6288109427db" xlink:to="loc_pbf_PayabletoRelatedPartiesTaxReceivableAgreement_019fce12-b039-73c0-903a-df31f5304a5d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PaymentMadeToRelatedPartiesTaxReceivableAgreementCurrentIncludingInterest_019fce12-b039-7633-b95c-84e4c097cc2e" xlink:href="pbf-20260930.xsd#pbf_PaymentMadeToRelatedPartiesTaxReceivableAgreementCurrentIncludingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fce12-b039-7a80-b9a4-6288109427db" xlink:to="loc_pbf_PaymentMadeToRelatedPartiesTaxReceivableAgreementCurrentIncludingInterest_019fce12-b039-7633-b95c-84e4c097cc2e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_InterestIncludedInTaxReceivablePayment_019fce12-b039-75be-a50e-e231a0f2c7c4" xlink:href="pbf-20260930.xsd#pbf_InterestIncludedInTaxReceivablePayment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_019fce12-b039-7a80-b9a4-6288109427db" xlink:to="loc_pbf_InterestIncludedInTaxReceivablePayment_019fce12-b039-75be-a50e-e231a0f2c7c4" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/EQUITYNoncontrollingInterestDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#EQUITYNoncontrollingInterestDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/EQUITYNoncontrollingInterestDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7fe6-819c-962068c646b9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterestLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestTable_019fce12-b039-7526-8723-4722c18e16dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterestTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7fe6-819c-962068c646b9" xlink:to="loc_us-gaap_MinorityInterestTable_019fce12-b039-7526-8723-4722c18e16dc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_019fce12-b039-72db-a67f-080b9190b90a" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_019fce12-b039-7526-8723-4722c18e16dc" xlink:to="loc_srt_ConsolidatedEntitiesAxis_019fce12-b039-72db-a67f-080b9190b90a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-72db-a67f-080b9190b90a_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fce12-b039-72db-a67f-080b9190b90a" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-72db-a67f-080b9190b90a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-71e0-9594-9f90b688da8d" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fce12-b039-72db-a67f-080b9190b90a" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-71e0-9594-9f90b688da8d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ParentCompanyMember_019fce12-b039-7684-96bd-62a0cbaa6da7" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ParentCompanyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-71e0-9594-9f90b688da8d" xlink:to="loc_srt_ParentCompanyMember_019fce12-b039-7684-96bd-62a0cbaa6da7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fce12-b039-7f26-aad7-c48155c30147" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_019fce12-b039-7526-8723-4722c18e16dc" xlink:to="loc_dei_LegalEntityAxis_019fce12-b039-7f26-aad7-c48155c30147" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-7f26-aad7-c48155c30147_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-7f26-aad7-c48155c30147" xlink:to="loc_dei_EntityDomain_019fce12-b039-7f26-aad7-c48155c30147_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-7496-af45-e51ffb08e165" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-7f26-aad7-c48155c30147" xlink:to="loc_dei_EntityDomain_019fce12-b039-7496-af45-e51ffb08e165" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PbfLlcMember_019fce12-b039-79bb-9832-e9447a116652" xlink:href="pbf-20260930.xsd#pbf_PbfLlcMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fce12-b039-7496-af45-e51ffb08e165" xlink:to="loc_pbf_PbfLlcMember_019fce12-b039-79bb-9832-e9447a116652" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_ChalmetteRefiningMember_019fce12-b039-7004-ba87-d257faf4b88d" xlink:href="pbf-20260930.xsd#pbf_ChalmetteRefiningMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fce12-b039-7496-af45-e51ffb08e165" xlink:to="loc_pbf_ChalmetteRefiningMember_019fce12-b039-7004-ba87-d257faf4b88d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_019fce12-b039-7857-bbfe-968d228fec30" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_019fce12-b039-7526-8723-4722c18e16dc" xlink:to="loc_srt_OwnershipAxis_019fce12-b039-7857-bbfe-968d228fec30" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_019fce12-b039-7857-bbfe-968d228fec30_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_019fce12-b039-7857-bbfe-968d228fec30" xlink:to="loc_srt_OwnershipDomain_019fce12-b039-7857-bbfe-968d228fec30_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_019fce12-b039-7d4a-a35e-f64f9f02e5b3" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_019fce12-b039-7857-bbfe-968d228fec30" xlink:to="loc_srt_OwnershipDomain_019fce12-b039-7d4a-a35e-f64f9f02e5b3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_TMTerminalCompanyMember_019fce12-b039-7370-a854-9f8d4c5917c8" xlink:href="pbf-20260930.xsd#pbf_TMTerminalCompanyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_019fce12-b039-7d4a-a35e-f64f9f02e5b3" xlink:to="loc_pbf_TMTerminalCompanyMember_019fce12-b039-7370-a854-9f8d4c5917c8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_CollinsPipelineCompanyMember_019fce12-b039-7752-a869-6e70684c351c" xlink:href="pbf-20260930.xsd#pbf_CollinsPipelineCompanyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_019fce12-b039-7d4a-a35e-f64f9f02e5b3" xlink:to="loc_pbf_CollinsPipelineCompanyMember_019fce12-b039-7752-a869-6e70684c351c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_OwnershipPercentageOfEquityHeld_019fce12-b039-79f9-9238-22a5ec605eee" xlink:href="pbf-20260930.xsd#pbf_OwnershipPercentageOfEquityHeld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7fe6-819c-962068c646b9" xlink:to="loc_pbf_OwnershipPercentageOfEquityHeld_019fce12-b039-79f9-9238-22a5ec605eee" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_NumberOfSubsidiaries_019fce12-b039-7514-a590-ba1be715ee9a" xlink:href="pbf-20260930.xsd#pbf_NumberOfSubsidiaries"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7fe6-819c-962068c646b9" xlink:to="loc_pbf_NumberOfSubsidiaries_019fce12-b039-7514-a590-ba1be715ee9a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_019fce12-b039-7974-8865-6118161f6a24" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7fe6-819c-962068c646b9" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_019fce12-b039-7974-8865-6118161f6a24" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/EQUITYOwnershipPercentageDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#EQUITYOwnershipPercentageDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/EQUITYOwnershipPercentageDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7636-8901-4ab2ff38e188" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterestLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestTable_019fce12-b039-7528-8f6d-4da9af0351eb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterestTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7636-8901-4ab2ff38e188" xlink:to="loc_us-gaap_MinorityInterestTable_019fce12-b039-7528-8f6d-4da9af0351eb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7b90-9c74-5238f112f041" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_019fce12-b039-7528-8f6d-4da9af0351eb" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7b90-9c74-5238f112f041" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7b90-9c74-5238f112f041_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7b90-9c74-5238f112f041" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7b90-9c74-5238f112f041_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7c3b-a724-19482715a87a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7b90-9c74-5238f112f041" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7c3b-a724-19482715a87a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_SeriesUnitsMember_019fce12-b039-7a9f-9b64-a0eff6d6301f" xlink:href="pbf-20260930.xsd#pbf_SeriesUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7c3b-a724-19482715a87a" xlink:to="loc_pbf_SeriesUnitsMember_019fce12-b039-7a9f-9b64-a0eff6d6301f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019fce12-b039-75d3-8443-454c49a6e46a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7c3b-a724-19482715a87a" xlink:to="loc_us-gaap_CommonClassAMember_019fce12-b039-75d3-8443-454c49a6e46a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_TotalCommonClassAAndSeriesAUnitsMember_019fce12-b039-7320-9ea3-1edd25e48d83" xlink:href="pbf-20260930.xsd#pbf_TotalCommonClassAAndSeriesAUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7c3b-a724-19482715a87a" xlink:to="loc_pbf_TotalCommonClassAAndSeriesAUnitsMember_019fce12-b039-7320-9ea3-1edd25e48d83" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fce12-b039-7074-81f4-34ecf47e91e6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_019fce12-b039-7528-8f6d-4da9af0351eb" xlink:to="loc_dei_LegalEntityAxis_019fce12-b039-7074-81f4-34ecf47e91e6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-7074-81f4-34ecf47e91e6_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-7074-81f4-34ecf47e91e6" xlink:to="loc_dei_EntityDomain_019fce12-b039-7074-81f4-34ecf47e91e6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-70d4-9629-50e0c7089c2e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-7074-81f4-34ecf47e91e6" xlink:to="loc_dei_EntityDomain_019fce12-b039-70d4-9629-50e0c7089c2e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PbfLlcMember_019fce12-b039-70a4-9e55-a28520fd6c5c" xlink:href="pbf-20260930.xsd#pbf_PbfLlcMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fce12-b039-70d4-9629-50e0c7089c2e" xlink:to="loc_pbf_PbfLlcMember_019fce12-b039-70a4-9e55-a28520fd6c5c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_019fce12-b039-7a74-96dd-64e6bb34ce51" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_019fce12-b039-7528-8f6d-4da9af0351eb" xlink:to="loc_srt_ConsolidatedEntitiesAxis_019fce12-b039-7a74-96dd-64e6bb34ce51" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-7a74-96dd-64e6bb34ce51_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fce12-b039-7a74-96dd-64e6bb34ce51" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-7a74-96dd-64e6bb34ce51_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-7b8b-88be-f51c38356e74" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fce12-b039-7a74-96dd-64e6bb34ce51" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-7b8b-88be-f51c38356e74" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ParentCompanyMember_019fce12-b039-7fbe-83df-e9acbc6ab9c3" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ParentCompanyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-7b8b-88be-f51c38356e74" xlink:to="loc_srt_ParentCompanyMember_019fce12-b039-7fbe-83df-e9acbc6ab9c3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_019fce12-b039-786c-a6c0-301d58b5ab42" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7636-8901-4ab2ff38e188" xlink:to="loc_us-gaap_SharesOutstanding_019fce12-b039-786c-a6c0-301d58b5ab42" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_OwnershipPercentageOfEquityHeld_019fce12-b039-79d8-b2b9-021367ec08a9" xlink:href="pbf-20260930.xsd#pbf_OwnershipPercentageOfEquityHeld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7636-8901-4ab2ff38e188" xlink:to="loc_pbf_OwnershipPercentageOfEquityHeld_019fce12-b039-79d8-b2b9-021367ec08a9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PartnersCapitalAccountUnitsConversionRatioToCommonUnits_019fce12-b039-7b34-963b-0f38c8896204" xlink:href="pbf-20260930.xsd#pbf_PartnersCapitalAccountUnitsConversionRatioToCommonUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-7636-8901-4ab2ff38e188" xlink:to="loc_pbf_PartnersCapitalAccountUnitsConversionRatioToCommonUnits_019fce12-b039-7b34-963b-0f38c8896204" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/EQUITYAllocationofEquityDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#EQUITYAllocationofEquityDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/EQUITYAllocationofEquityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-70d1-a3d2-6b53c700f297" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterestLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestTable_019fce12-b039-75e7-8bb2-d9b96b455691" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterestTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-70d1-a3d2-6b53c700f297" xlink:to="loc_us-gaap_MinorityInterestTable_019fce12-b039-75e7-8bb2-d9b96b455691" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019fce12-b039-7980-b90e-71c3ff4ce150" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MinorityInterestTable_019fce12-b039-75e7-8bb2-d9b96b455691" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019fce12-b039-7980-b90e-71c3ff4ce150" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fce12-b039-7980-b90e-71c3ff4ce150_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fce12-b039-7980-b90e-71c3ff4ce150" xlink:to="loc_us-gaap_EquityComponentDomain_019fce12-b039-7980-b90e-71c3ff4ce150_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019fce12-b039-7dbf-95c2-774665a6d15d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019fce12-b039-7980-b90e-71c3ff4ce150" xlink:to="loc_us-gaap_EquityComponentDomain_019fce12-b039-7dbf-95c2-774665a6d15d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParentMember_019fce12-b039-70a9-ac7a-98290d236fa3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fce12-b039-7dbf-95c2-774665a6d15d" xlink:to="loc_us-gaap_ParentMember_019fce12-b039-70a9-ac7a-98290d236fa3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_NoncontrollingInterestPBFLLCMember_019fce12-b039-7397-ab81-bec54d817b87" xlink:href="pbf-20260930.xsd#pbf_NoncontrollingInterestPBFLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fce12-b039-7dbf-95c2-774665a6d15d" xlink:to="loc_pbf_NoncontrollingInterestPBFLLCMember_019fce12-b039-7397-ab81-bec54d817b87" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_NoncontrollingInterestPBFHoldingMember_019fce12-b039-7b28-b2b5-5f9f79e7ce2d" xlink:href="pbf-20260930.xsd#pbf_NoncontrollingInterestPBFHoldingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019fce12-b039-7dbf-95c2-774665a6d15d" xlink:to="loc_pbf_NoncontrollingInterestPBFHoldingMember_019fce12-b039-7b28-b2b5-5f9f79e7ce2d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MovementInMinorityInterestRollForward_019fce12-b039-70fd-9ae3-b136c30f39c1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MovementInMinorityInterestRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MinorityInterestLineItems_019fce12-b039-70d1-a3d2-6b53c700f297" xlink:to="loc_us-gaap_MovementInMinorityInterestRollForward_019fce12-b039-70fd-9ae3-b136c30f39c1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fce12-b039-7b88-880e-b4ac695e615e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_019fce12-b039-70fd-9ae3-b136c30f39c1" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fce12-b039-7b88-880e-b4ac695e615e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019fce12-b039-7aae-a185-643460ebe4d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_019fce12-b039-70fd-9ae3-b136c30f39c1" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_019fce12-b039-7aae-a185-643460ebe4d0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_019fce12-b039-7308-acc6-fa2e0ce6b51a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_019fce12-b039-70fd-9ae3-b136c30f39c1" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_019fce12-b039-7308-acc6-fa2e0ce6b51a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019fce12-b039-7159-8788-a2326f85c13f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_019fce12-b039-70fd-9ae3-b136c30f39c1" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019fce12-b039-7159-8788-a2326f85c13f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_DividendsandDistributions_019fce12-b039-7108-b0b3-6fc9d87accf3" xlink:href="pbf-20260930.xsd#pbf_DividendsandDistributions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_019fce12-b039-70fd-9ae3-b136c30f39c1" xlink:to="loc_pbf_DividendsandDistributions_019fce12-b039-7108-b0b3-6fc9d87accf3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019fce12-b039-7fe1-9410-24a6de4c739d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_019fce12-b039-70fd-9ae3-b136c30f39c1" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_019fce12-b039-7fe1-9410-24a6de4c739d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_019fce12-b039-7510-bccd-a1dd6edf0755" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_019fce12-b039-70fd-9ae3-b136c30f39c1" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_019fce12-b039-7510-bccd-a1dd6edf0755" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_01a1414d-2ed2-72d3-8964-e9916ee6abd4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_019fce12-b039-70fd-9ae3-b136c30f39c1" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_01a1414d-2ed2-72d3-8964-e9916ee6abd4" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall_01a1414d-946d-7b7e-8c1f-6e622b4b269c" xlink:href="pbf-20260930.xsd#pbf_AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_019fce12-b039-70fd-9ae3-b136c30f39c1" xlink:to="loc_pbf_AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall_01a1414d-946d-7b7e-8c1f-6e622b4b269c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRedeemedOrCalledDuringPeriodValue_019fce12-b039-7504-917a-930d125847ce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MovementInMinorityInterestRollForward_019fce12-b039-70fd-9ae3-b136c30f39c1" xlink:to="loc_us-gaap_StockRedeemedOrCalledDuringPeriodValue_019fce12-b039-7504-917a-930d125847ce" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019fce12-b039-7029-89f6-0ef70b4335d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/EQUITYTreasuryStockDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#EQUITYTreasuryStockDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/EQUITYTreasuryStockDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_019fce12-b039-7ab1-b821-d728ef97e52e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_019fce12-b039-70a3-a24b-17c0748b85ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fce12-b039-7ab1-b821-d728ef97e52e" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_019fce12-b039-70a3-a24b-17c0748b85ad" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramAxis_019fce12-b039-77e2-99ac-431dd1bad715" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ShareRepurchaseProgramAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fce12-b039-70a3-a24b-17c0748b85ad" xlink:to="loc_srt_ShareRepurchaseProgramAxis_019fce12-b039-77e2-99ac-431dd1bad715" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain_019fce12-b039-77e2-99ac-431dd1bad715_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ShareRepurchaseProgramAxis_019fce12-b039-77e2-99ac-431dd1bad715" xlink:to="loc_srt_ShareRepurchaseProgramDomain_019fce12-b039-77e2-99ac-431dd1bad715_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain_019fce12-b039-7649-a4c2-09cede815631" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ShareRepurchaseProgramAxis_019fce12-b039-77e2-99ac-431dd1bad715" xlink:to="loc_srt_ShareRepurchaseProgramDomain_019fce12-b039-7649-a4c2-09cede815631" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_RepurchaseProgramMember_019fce12-b039-7127-b15b-8a15ef067db1" xlink:href="pbf-20260930.xsd#pbf_RepurchaseProgramMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ShareRepurchaseProgramDomain_019fce12-b039-7649-a4c2-09cede815631" xlink:to="loc_pbf_RepurchaseProgramMember_019fce12-b039-7127-b15b-8a15ef067db1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-71ba-bc0a-101dd0f57a73" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_019fce12-b039-70a3-a24b-17c0748b85ad" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-71ba-bc0a-101dd0f57a73" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-71ba-bc0a-101dd0f57a73_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-71ba-bc0a-101dd0f57a73" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-71ba-bc0a-101dd0f57a73_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7732-a72d-c2a711ae9823" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-71ba-bc0a-101dd0f57a73" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7732-a72d-c2a711ae9823" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019fce12-b039-7dce-848f-d9eaa7e32f85" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7732-a72d-c2a711ae9823" xlink:to="loc_us-gaap_CommonClassAMember_019fce12-b039-7dce-848f-d9eaa7e32f85" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1_019fce12-b039-7eff-aa17-f5245fea058f" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_019fce12-b039-7ab1-b821-d728ef97e52e" xlink:to="loc_srt_StockRepurchaseProgramAuthorizedAmount1_019fce12-b039-7eff-aa17-f5245fea058f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/DIVIDENDSANDDISTRIBUTIONSDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#DIVIDENDSANDDISTRIBUTIONSDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/DIVIDENDSANDDISTRIBUTIONSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DistributionMadeToLimitedPartnerLineItems_019fce12-b039-7086-93ff-a1a7e486b720" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DistributionMadeToLimitedPartnerLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DistributionsMadeToLimitedLiabilityCompanyLLCMemberTable_019fce12-b039-7532-b13a-9d8d0eeb5b25" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DistributionsMadeToLimitedLiabilityCompanyLLCMemberTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DistributionMadeToLimitedPartnerLineItems_019fce12-b039-7086-93ff-a1a7e486b720" xlink:to="loc_us-gaap_DistributionsMadeToLimitedLiabilityCompanyLLCMemberTable_019fce12-b039-7532-b13a-9d8d0eeb5b25" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_019fce12-b039-7e68-ba70-2e5bd44ebe3c" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DistributionsMadeToLimitedLiabilityCompanyLLCMemberTable_019fce12-b039-7532-b13a-9d8d0eeb5b25" xlink:to="loc_srt_CounterpartyNameAxis_019fce12-b039-7e68-ba70-2e5bd44ebe3c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fce12-b039-7e68-ba70-2e5bd44ebe3c_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_019fce12-b039-7e68-ba70-2e5bd44ebe3c" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fce12-b039-7e68-ba70-2e5bd44ebe3c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fce12-b039-7770-98ca-42509df9ddab" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_019fce12-b039-7e68-ba70-2e5bd44ebe3c" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fce12-b039-7770-98ca-42509df9ddab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PBFEnergyIncMember_019fce12-b039-7544-b64f-06d6b9aef361" xlink:href="pbf-20260930.xsd#pbf_PBFEnergyIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_019fce12-b039-7770-98ca-42509df9ddab" xlink:to="loc_pbf_PBFEnergyIncMember_019fce12-b039-7544-b64f-06d6b9aef361" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fce12-b039-7cf1-95f7-f947979e5772" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DistributionsMadeToLimitedLiabilityCompanyLLCMemberTable_019fce12-b039-7532-b13a-9d8d0eeb5b25" xlink:to="loc_dei_LegalEntityAxis_019fce12-b039-7cf1-95f7-f947979e5772" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-7cf1-95f7-f947979e5772_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-7cf1-95f7-f947979e5772" xlink:to="loc_dei_EntityDomain_019fce12-b039-7cf1-95f7-f947979e5772_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-79a4-8ce7-7a0fea0e0100" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-7cf1-95f7-f947979e5772" xlink:to="loc_dei_EntityDomain_019fce12-b039-79a4-8ce7-7a0fea0e0100" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PbfLlcMember_019fce12-b039-75bd-8b84-9d45ad455199" xlink:href="pbf-20260930.xsd#pbf_PbfLlcMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fce12-b039-79a4-8ce7-7a0fea0e0100" xlink:to="loc_pbf_PbfLlcMember_019fce12-b039-75bd-8b84-9d45ad455199" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_019fce12-b039-7891-b5d8-6aa4f468ed24" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DistributionsMadeToLimitedLiabilityCompanyLLCMemberTable_019fce12-b039-7532-b13a-9d8d0eeb5b25" xlink:to="loc_srt_ConsolidatedEntitiesAxis_019fce12-b039-7891-b5d8-6aa4f468ed24" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-7891-b5d8-6aa4f468ed24_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fce12-b039-7891-b5d8-6aa4f468ed24" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-7891-b5d8-6aa4f468ed24_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-773f-a2d8-d779da6abcd3" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_019fce12-b039-7891-b5d8-6aa4f468ed24" xlink:to="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-773f-a2d8-d779da6abcd3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ParentCompanyMember_019fce12-b039-75f6-a1a9-3f1184d842e9" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ParentCompanyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_019fce12-b039-773f-a2d8-d779da6abcd3" xlink:to="loc_srt_ParentCompanyMember_019fce12-b039-75f6-a1a9-3f1184d842e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7d33-89ef-f401fd160b65" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DistributionsMadeToLimitedLiabilityCompanyLLCMemberTable_019fce12-b039-7532-b13a-9d8d0eeb5b25" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7d33-89ef-f401fd160b65" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7d33-89ef-f401fd160b65_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7d33-89ef-f401fd160b65" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7d33-89ef-f401fd160b65_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7344-8741-9b113261c059" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-7d33-89ef-f401fd160b65" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7344-8741-9b113261c059" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019fce12-b039-7172-9669-c6dd4fd50e06" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-7344-8741-9b113261c059" xlink:to="loc_us-gaap_CommonClassAMember_019fce12-b039-7172-9669-c6dd4fd50e06" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis_019fce12-b039-768d-8719-34f83331963a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DistributionsMadeToLimitedLiabilityCompanyLLCMemberTable_019fce12-b039-7532-b13a-9d8d0eeb5b25" xlink:to="loc_us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis_019fce12-b039-768d-8719-34f83331963a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DistributionTypeDomain_019fce12-b039-768d-8719-34f83331963a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DistributionTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis_019fce12-b039-768d-8719-34f83331963a" xlink:to="loc_us-gaap_DistributionTypeDomain_019fce12-b039-768d-8719-34f83331963a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DistributionTypeDomain_019fce12-b039-7e21-ade5-183c42c5d998" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DistributionTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis_019fce12-b039-768d-8719-34f83331963a" xlink:to="loc_us-gaap_DistributionTypeDomain_019fce12-b039-7e21-ade5-183c42c5d998" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashDistributionMember_019fce12-b039-7ff2-a9ec-329010603374" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashDistributionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DistributionTypeDomain_019fce12-b039-7e21-ade5-183c42c5d998" xlink:to="loc_us-gaap_CashDistributionMember_019fce12-b039-7ff2-a9ec-329010603374" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DistributionMadeToLimitedPartnerCashDistributionsPaid_019fce12-b039-7d4f-b812-b885ac8d0068" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DistributionMadeToLimitedPartnerCashDistributionsPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DistributionMadeToLimitedPartnerLineItems_019fce12-b039-7086-93ff-a1a7e486b720" xlink:to="loc_us-gaap_DistributionMadeToLimitedPartnerCashDistributionsPaid_019fce12-b039-7d4f-b812-b885ac8d0068" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit_019fce12-b039-798b-961a-29201f5cba0a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DistributionMadeToLimitedPartnerLineItems_019fce12-b039-7086-93ff-a1a7e486b720" xlink:to="loc_us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit_019fce12-b039-798b-961a-29201f5cba0a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsPaid_019fce12-b039-7699-91e7-70887a8813b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DistributionMadeToLimitedPartnerLineItems_019fce12-b039-7086-93ff-a1a7e486b720" xlink:to="loc_us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsPaid_019fce12-b039-7699-91e7-70887a8813b6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareCashPaid_019fce12-b039-7a1f-bc0d-2ea75641b2ff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockDividendsPerShareCashPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DistributionMadeToLimitedPartnerLineItems_019fce12-b039-7086-93ff-a1a7e486b720" xlink:to="loc_us-gaap_CommonStockDividendsPerShareCashPaid_019fce12-b039-7a1f-bc0d-2ea75641b2ff" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/REVENUESDisaggregatedbyProductDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#REVENUESDisaggregatedbyProductDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/REVENUESDisaggregatedbyProductDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_019fce12-b039-7e7e-b36c-bd664f0e640e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_019fce12-b039-7d46-97e3-c55b79cac261" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7e7e-b36c-bd664f0e640e" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_019fce12-b039-7d46-97e3-c55b79cac261" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_019fce12-b039-7b60-81be-7832f86d55dc" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019fce12-b039-7d46-97e3-c55b79cac261" xlink:to="loc_srt_ProductOrServiceAxis_019fce12-b039-7b60-81be-7832f86d55dc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fce12-b039-7b60-81be-7832f86d55dc_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_019fce12-b039-7b60-81be-7832f86d55dc" xlink:to="loc_srt_ProductsAndServicesDomain_019fce12-b039-7b60-81be-7832f86d55dc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_019fce12-b039-7ded-ac5e-89f2fbf4c41e" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_019fce12-b039-7b60-81be-7832f86d55dc" xlink:to="loc_srt_ProductsAndServicesDomain_019fce12-b039-7ded-ac5e-89f2fbf4c41e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_GasolineAndDistillateMember_019fce12-b039-7033-95a3-fddf3bfe281b" xlink:href="pbf-20260930.xsd#pbf_GasolineAndDistillateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fce12-b039-7ded-ac5e-89f2fbf4c41e" xlink:to="loc_pbf_GasolineAndDistillateMember_019fce12-b039-7033-95a3-fddf3bfe281b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_AsphaltandResidualOilMember_019fce12-b039-7568-8340-de6bc73008b9" xlink:href="pbf-20260930.xsd#pbf_AsphaltandResidualOilMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fce12-b039-7ded-ac5e-89f2fbf4c41e" xlink:to="loc_pbf_AsphaltandResidualOilMember_019fce12-b039-7568-8340-de6bc73008b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_OtherRefiningandMarketingMember_019fce12-b039-7ba2-ba29-484612b7c6dd" xlink:href="pbf-20260930.xsd#pbf_OtherRefiningandMarketingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fce12-b039-7ded-ac5e-89f2fbf4c41e" xlink:to="loc_pbf_OtherRefiningandMarketingMember_019fce12-b039-7ba2-ba29-484612b7c6dd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_ChemicalsMember_019fce12-b039-7158-b664-5ea0f3ba6819" xlink:href="pbf-20260930.xsd#pbf_ChemicalsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fce12-b039-7ded-ac5e-89f2fbf4c41e" xlink:to="loc_pbf_ChemicalsMember_019fce12-b039-7158-b664-5ea0f3ba6819" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_LubricantsMember_019fce12-b039-7b77-8558-e6bc3bbd5f3d" xlink:href="pbf-20260930.xsd#pbf_LubricantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_019fce12-b039-7ded-ac5e-89f2fbf4c41e" xlink:to="loc_pbf_LubricantsMember_019fce12-b039-7b77-8558-e6bc3bbd5f3d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fce12-b039-7171-97b2-5bb216a8b848" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019fce12-b039-7d46-97e3-c55b79cac261" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fce12-b039-7171-97b2-5bb216a8b848" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fce12-b039-7171-97b2-5bb216a8b848_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fce12-b039-7171-97b2-5bb216a8b848" xlink:to="loc_us-gaap_SegmentDomain_019fce12-b039-7171-97b2-5bb216a8b848_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fce12-b039-7308-8a09-d7d95e10054a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fce12-b039-7171-97b2-5bb216a8b848" xlink:to="loc_us-gaap_SegmentDomain_019fce12-b039-7308-8a09-d7d95e10054a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_RefiningGroupMember_019fce12-b039-7fb8-a3c6-311cb3ccf0d5" xlink:href="pbf-20260930.xsd#pbf_RefiningGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fce12-b039-7308-8a09-d7d95e10054a" xlink:to="loc_pbf_RefiningGroupMember_019fce12-b039-7fb8-a3c6-311cb3ccf0d5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_LogisticsGroupMember_019fce12-b039-7114-90a3-b32e93abbfe7" xlink:href="pbf-20260930.xsd#pbf_LogisticsGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fce12-b039-7308-8a09-d7d95e10054a" xlink:to="loc_pbf_LogisticsGroupMember_019fce12-b039-7114-90a3-b32e93abbfe7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PriortoeliminationMember_019fce12-b039-7210-a0e3-197e54e679b4" xlink:href="pbf-20260930.xsd#pbf_PriortoeliminationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fce12-b039-7308-8a09-d7d95e10054a" xlink:to="loc_pbf_PriortoeliminationMember_019fce12-b039-7210-a0e3-197e54e679b4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019fce12-b039-7cea-b240-d6d5de9bfa29" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_019fce12-b039-7d46-97e3-c55b79cac261" xlink:to="loc_srt_ConsolidationItemsAxis_019fce12-b039-7cea-b240-d6d5de9bfa29" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fce12-b039-7cea-b240-d6d5de9bfa29_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019fce12-b039-7cea-b240-d6d5de9bfa29" xlink:to="loc_srt_ConsolidationItemsDomain_019fce12-b039-7cea-b240-d6d5de9bfa29_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fce12-b039-7001-8577-14d04da473dc" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019fce12-b039-7cea-b240-d6d5de9bfa29" xlink:to="loc_srt_ConsolidationItemsDomain_019fce12-b039-7001-8577-14d04da473dc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_019fce12-b039-7b1c-b8f0-8fe34307f1e1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019fce12-b039-7001-8577-14d04da473dc" xlink:to="loc_us-gaap_IntersegmentEliminationMember_019fce12-b039-7b1c-b8f0-8fe34307f1e1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fce12-b039-7ead-9792-893020415dd7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_019fce12-b039-7e7e-b36c-bd664f0e640e" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fce12-b039-7ead-9792-893020415dd7" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/INCOMETAXESAdditionalInformationDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#INCOMETAXESAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/INCOMETAXESAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_pbf_IncomeTaxesLineItems_019fce12-b039-7747-9982-1414022e7023" xlink:href="pbf-20260930.xsd#pbf_IncomeTaxesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_IncomeTaxesTable_019fce12-b039-7bb5-8d95-f8647e3a75e0" xlink:href="pbf-20260930.xsd#pbf_IncomeTaxesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_pbf_IncomeTaxesLineItems_019fce12-b039-7747-9982-1414022e7023" xlink:to="loc_pbf_IncomeTaxesTable_019fce12-b039-7bb5-8d95-f8647e3a75e0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_019fce12-b039-7781-9e17-503da2e55829" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_pbf_IncomeTaxesTable_019fce12-b039-7bb5-8d95-f8647e3a75e0" xlink:to="loc_dei_LegalEntityAxis_019fce12-b039-7781-9e17-503da2e55829" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-7781-9e17-503da2e55829_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-7781-9e17-503da2e55829" xlink:to="loc_dei_EntityDomain_019fce12-b039-7781-9e17-503da2e55829_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_019fce12-b039-759b-97f4-124a1f68ca02" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_019fce12-b039-7781-9e17-503da2e55829" xlink:to="loc_dei_EntityDomain_019fce12-b039-759b-97f4-124a1f68ca02" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PBFEnergyIncMember_019fce12-b039-7d3d-a420-d4f095ae4bee" xlink:href="pbf-20260930.xsd#pbf_PBFEnergyIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_019fce12-b039-759b-97f4-124a1f68ca02" xlink:to="loc_pbf_PBFEnergyIncMember_019fce12-b039-7d3d-a420-d4f095ae4bee" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-700f-a3c6-e02da7092057" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_pbf_IncomeTaxesTable_019fce12-b039-7bb5-8d95-f8647e3a75e0" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-700f-a3c6-e02da7092057" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-700f-a3c6-e02da7092057_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-700f-a3c6-e02da7092057" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-700f-a3c6-e02da7092057_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b039-761a-8eea-026af1c9ba52" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b039-700f-a3c6-e02da7092057" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b039-761a-8eea-026af1c9ba52" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019fce12-b039-769a-9e32-bf405058b694" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b039-761a-8eea-026af1c9ba52" xlink:to="loc_us-gaap_CommonClassAMember_019fce12-b039-769a-9e32-bf405058b694" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_OwnershipPercentageOfEquityHeld_019fce12-b039-7792-93e2-bbc9bc9d86bc" xlink:href="pbf-20260930.xsd#pbf_OwnershipPercentageOfEquityHeld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_IncomeTaxesLineItems_019fce12-b039-7747-9982-1414022e7023" xlink:to="loc_pbf_OwnershipPercentageOfEquityHeld_019fce12-b039-7792-93e2-bbc9bc9d86bc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_NumberOfSubsidiariesAcquired_019fce12-b039-72d6-9726-3a21eda37970" xlink:href="pbf-20260930.xsd#pbf_NumberOfSubsidiariesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_IncomeTaxesLineItems_019fce12-b039-7747-9982-1414022e7023" xlink:to="loc_pbf_NumberOfSubsidiariesAcquired_019fce12-b039-72d6-9726-3a21eda37970" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019fce12-b039-758d-8d8e-b5ce40243de8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_IncomeTaxesLineItems_019fce12-b039-7747-9982-1414022e7023" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_019fce12-b039-758d-8d8e-b5ce40243de8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossAttributableToNoncontrollingInterest_019fce12-b039-72b3-a9fc-700b94156d2f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_IncomeTaxesLineItems_019fce12-b039-7747-9982-1414022e7023" xlink:to="loc_us-gaap_IncomeLossAttributableToNoncontrollingInterest_019fce12-b039-72b3-a9fc-700b94156d2f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense_019fce12-b039-7466-bba6-1f9c9816c5df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_IncomeTaxesLineItems_019fce12-b039-7747-9982-1414022e7023" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense_019fce12-b039-7466-bba6-1f9c9816c5df" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_019fce12-b039-780e-afbd-294e2da24462" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrecognizedTaxBenefits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_pbf_IncomeTaxesLineItems_019fce12-b039-7747-9982-1414022e7023" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_019fce12-b039-780e-afbd-294e2da24462" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/FAIRVALUEMEASUREMENTSMeasuredonRecurringBasisDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#FAIRVALUEMEASUREMENTSMeasuredonRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/FAIRVALUEMEASUREMENTSMeasuredonRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fce12-b039-774b-bbff-33621236e992" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fce12-b039-7bc0-8317-ea97820d926d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fce12-b039-774b-bbff-33621236e992" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fce12-b039-7bc0-8317-ea97820d926d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019fce12-b039-72bd-8503-6667cd7aafb9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fce12-b039-7bc0-8317-ea97820d926d" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019fce12-b039-72bd-8503-6667cd7aafb9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fce12-b039-72bd-8503-6667cd7aafb9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019fce12-b039-72bd-8503-6667cd7aafb9" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fce12-b039-72bd-8503-6667cd7aafb9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fce12-b039-7463-9e84-77cbb9ded843" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_019fce12-b039-72bd-8503-6667cd7aafb9" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fce12-b039-7463-9e84-77cbb9ded843" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_019fce12-b039-7724-89b2-22e947fef30f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_019fce12-b039-7463-9e84-77cbb9ded843" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_019fce12-b039-7724-89b2-22e947fef30f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_019fce12-b039-75c6-a2e2-545b4efab72c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByAssetClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fce12-b039-7bc0-8317-ea97820d926d" xlink:to="loc_us-gaap_FairValueByAssetClassAxis_019fce12-b039-75c6-a2e2-545b4efab72c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019fce12-b039-75c6-a2e2-545b4efab72c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_019fce12-b039-75c6-a2e2-545b4efab72c" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019fce12-b039-75c6-a2e2-545b4efab72c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019fce12-b039-76fc-8733-c3a463d8dc95" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_019fce12-b039-75c6-a2e2-545b4efab72c" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019fce12-b039-76fc-8733-c3a463d8dc95" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_019fce12-b039-7429-9c0c-5ddf0a5925d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019fce12-b039-76fc-8733-c3a463d8dc95" xlink:to="loc_us-gaap_MoneyMarketFundsMember_019fce12-b039-7429-9c0c-5ddf0a5925d9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_019fce12-b039-74d3-adec-4b4598b81736" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommodityContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_019fce12-b039-76fc-8733-c3a463d8dc95" xlink:to="loc_us-gaap_CommodityContractMember_019fce12-b039-74d3-adec-4b4598b81736" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_019fce12-b039-7071-9f05-1c580140e25f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByLiabilityClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fce12-b039-7bc0-8317-ea97820d926d" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_019fce12-b039-7071-9f05-1c580140e25f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019fce12-b039-7071-9f05-1c580140e25f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_019fce12-b039-7071-9f05-1c580140e25f" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019fce12-b039-7071-9f05-1c580140e25f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019fce12-b039-769d-aca0-6d435f72d438" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_019fce12-b039-7071-9f05-1c580140e25f" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019fce12-b039-769d-aca0-6d435f72d438" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_019fce12-b039-74a4-af55-ca2526ba9f6c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommodityContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019fce12-b039-769d-aca0-6d435f72d438" xlink:to="loc_us-gaap_CommodityContractMember_019fce12-b039-74a4-af55-ca2526ba9f6c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_RenewableEnergyCreditAndEmissionsObligationMember_019fce12-b039-7623-b0cb-3032478e6ae8" xlink:href="pbf-20260930.xsd#pbf_RenewableEnergyCreditAndEmissionsObligationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019fce12-b039-769d-aca0-6d435f72d438" xlink:to="loc_pbf_RenewableEnergyCreditAndEmissionsObligationMember_019fce12-b039-7623-b0cb-3032478e6ae8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fce12-b039-79a6-8449-6f29d43ce37c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_019fce12-b039-7bc0-8317-ea97820d926d" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fce12-b039-79a6-8449-6f29d43ce37c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fce12-b039-79a6-8449-6f29d43ce37c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fce12-b039-79a6-8449-6f29d43ce37c" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fce12-b039-79a6-8449-6f29d43ce37c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fce12-b039-74d7-ae76-dea22dbd641b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_019fce12-b039-79a6-8449-6f29d43ce37c" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fce12-b039-74d7-ae76-dea22dbd641b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_019fce12-b039-7964-99a3-95d2ec57303d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fce12-b039-74d7-ae76-dea22dbd641b" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_019fce12-b039-7964-99a3-95d2ec57303d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_019fce12-b039-7700-ac20-c91f2487a708" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fce12-b039-74d7-ae76-dea22dbd641b" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_019fce12-b039-7700-ac20-c91f2487a708" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_019fce12-b039-7cb4-8e89-71ef0f2043cb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_019fce12-b039-74d7-ae76-dea22dbd641b" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_019fce12-b039-7cb4-8e89-71ef0f2043cb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019fce12-b039-7bc5-aed6-f6b041b8a4c6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fce12-b039-774b-bbff-33621236e992" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_019fce12-b039-7bc5-aed6-f6b041b8a4c6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_019fce12-b039-7ef5-ba2d-e81febb17560" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fce12-b039-774b-bbff-33621236e992" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_019fce12-b039-7ef5-ba2d-e81febb17560" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCollateralObligationToReturnCash_019fce12-b039-7978-aad0-0efb40039333" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeCollateralObligationToReturnCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fce12-b039-774b-bbff-33621236e992" xlink:to="loc_us-gaap_DerivativeCollateralObligationToReturnCash_019fce12-b039-7978-aad0-0efb40039333" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_019fce12-b039-7acf-80a6-53035babd636" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fce12-b039-774b-bbff-33621236e992" xlink:to="loc_us-gaap_DerivativeAssets_019fce12-b039-7acf-80a6-53035babd636" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_019fce12-b039-77e0-a4f2-9568590d25da" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fce12-b039-774b-bbff-33621236e992" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_019fce12-b039-77e0-a4f2-9568590d25da" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations_019fce12-b039-7cad-a93c-567526911794" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fce12-b039-774b-bbff-33621236e992" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisObligations_019fce12-b039-7cad-a93c-567526911794" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeCollateralRightToReclaimCash_019fce12-b039-76d8-9521-98de382a68ff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeCollateralRightToReclaimCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fce12-b039-774b-bbff-33621236e992" xlink:to="loc_us-gaap_DerivativeCollateralRightToReclaimCash_019fce12-b039-76d8-9521-98de382a68ff" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_019fce12-b039-796b-b258-64c51fd630e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fce12-b039-774b-bbff-33621236e992" xlink:to="loc_us-gaap_DerivativeLiabilities_019fce12-b039-796b-b258-64c51fd630e5" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_019fce12-b039-7b2d-9db7-3b475dcee137" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_019fce12-b039-774b-bbff-33621236e992" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_019fce12-b039-7b2d-9db7-3b475dcee137" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/FAIRVALUEMEASUREMENTSChangeinFairValueatLevel3Details" xlink:type="simple" xlink:href="pbf-20260930.xsd#FAIRVALUEMEASUREMENTSChangeinFairValueatLevel3Details"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/FAIRVALUEMEASUREMENTSChangeinFairValueatLevel3Details" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_019fce12-b039-793a-9ff3-a6503ea9a6ee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_019fce12-b039-7036-a575-25842c28dacd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_019fce12-b039-793a-9ff3-a6503ea9a6ee" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_019fce12-b039-7036-a575-25842c28dacd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_019fce12-b039-76e1-a63d-411e1cd6eb4d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByLiabilityClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_019fce12-b039-7036-a575-25842c28dacd" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_019fce12-b039-76e1-a63d-411e1cd6eb4d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019fce12-b039-76e1-a63d-411e1cd6eb4d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_019fce12-b039-76e1-a63d-411e1cd6eb4d" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019fce12-b039-76e1-a63d-411e1cd6eb4d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019fce12-b039-7dfe-87be-987770a43f18" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_019fce12-b039-76e1-a63d-411e1cd6eb4d" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_019fce12-b039-7dfe-87be-987770a43f18" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3_019fce12-b039-7b3c-993d-0ce6ca8ebc03" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_019fce12-b039-793a-9ff3-a6503ea9a6ee" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3_019fce12-b039-7b3c-993d-0ce6ca8ebc03" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3_019fce12-b039-703d-8042-10eb91c8a784" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_019fce12-b039-793a-9ff3-a6503ea9a6ee" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3_019fce12-b039-703d-8042-10eb91c8a784" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_01a1416f-5bfc-7017-8590-04a022388134" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_019fce12-b039-793a-9ff3-a6503ea9a6ee" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_01a1416f-5bfc-7017-8590-04a022388134" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetLiabilityValue_01a145a6-47ee-7ae5-a960-6282bde960d3" xlink:href="pbf-20260930.xsd#pbf_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetLiabilityValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_01a1416f-5bfc-7017-8590-04a022388134" xlink:to="loc_pbf_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetLiabilityValue_01a145a6-47ee-7ae5-a960-6282bde960d3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_01a145a6-c286-764c-b274-35110a583fca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_01a1416f-5bfc-7017-8590-04a022388134" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_01a145a6-c286-764c-b274-35110a583fca" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetLiabilityValue_01a145a8-78d9-78a0-90b3-93af7ad48193" xlink:href="pbf-20260930.xsd#pbf_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetLiabilityValue"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/FAIRVALUEMEASUREMENTSFairValueandCarryingValueofDebtDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#FAIRVALUEMEASUREMENTSFairValueandCarryingValueofDebtDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/FAIRVALUEMEASUREMENTSFairValueandCarryingValueofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fce12-b039-761e-af78-119bc5c34bf3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fce12-b039-761e-af78-119bc5c34bf3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_019fce12-b039-75ef-897a-162631b87d59" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fce12-b039-761e-af78-119bc5c34bf3" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_019fce12-b039-75ef-897a-162631b87d59" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-75ef-897a-162631b87d59_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fce12-b039-75ef-897a-162631b87d59" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-75ef-897a-162631b87d59_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-7799-bf6d-6089efd2a50c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_019fce12-b039-75ef-897a-162631b87d59" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-7799-bf6d-6089efd2a50c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20286.000SeniorNotesMember_019fce12-b039-7632-a8b3-20cb68b77e7d" xlink:href="pbf-20260930.xsd#pbf_A20286.000SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-7799-bf6d-6089efd2a50c" xlink:to="loc_pbf_A20286.000SeniorNotesMember_019fce12-b039-7632-a8b3-20cb68b77e7d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20309.875SeniorNotesMember_019fce12-b039-7f48-8ab4-5689cc9a0be6" xlink:href="pbf-20260930.xsd#pbf_A20309.875SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-7799-bf6d-6089efd2a50c" xlink:to="loc_pbf_A20309.875SeniorNotesMember_019fce12-b039-7f48-8ab4-5689cc9a0be6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20307.875SeniorNotesMember_019fce12-b039-7224-8d49-ea5887799ce4" xlink:href="pbf-20260930.xsd#pbf_A20307.875SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-7799-bf6d-6089efd2a50c" xlink:to="loc_pbf_A20307.875SeniorNotesMember_019fce12-b039-7224-8d49-ea5887799ce4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20347.25SeniorNotesMember_019fce12-b039-76ef-865a-f10a1a2fe020" xlink:href="pbf-20260930.xsd#pbf_A20347.25SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-7799-bf6d-6089efd2a50c" xlink:to="loc_pbf_A20347.25SeniorNotesMember_019fce12-b039-76ef-865a-f10a1a2fe020" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A2032ExchangeableNotesMember_01a145ac-304c-7ae0-b292-d4f439bfb049" xlink:href="pbf-20260930.xsd#pbf_A2032ExchangeableNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-7799-bf6d-6089efd2a50c" xlink:to="loc_pbf_A2032ExchangeableNotesMember_01a145ac-304c-7ae0-b292-d4f439bfb049" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PromissoryNoteMember_01a145ac-791c-7a10-aae8-e1db71e12f6e" xlink:href="pbf-20260930.xsd#pbf_PromissoryNoteMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_019fce12-b039-7799-bf6d-6089efd2a50c" xlink:to="loc_pbf_PromissoryNoteMember_01a145ac-791c-7a10-aae8-e1db71e12f6e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_019fce12-b039-7cc6-9837-6b02f74d4a1b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_019fce12-b039-761e-af78-119bc5c34bf3" xlink:to="loc_us-gaap_CreditFacilityAxis_019fce12-b039-7cc6-9837-6b02f74d4a1b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fce12-b039-7cc6-9837-6b02f74d4a1b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_019fce12-b039-7cc6-9837-6b02f74d4a1b" xlink:to="loc_us-gaap_CreditFacilityDomain_019fce12-b039-7cc6-9837-6b02f74d4a1b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_019fce12-b039-7dd0-a080-900d359bbd3b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_019fce12-b039-7cc6-9837-6b02f74d4a1b" xlink:to="loc_us-gaap_CreditFacilityDomain_019fce12-b039-7dd0-a080-900d359bbd3b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_019fce12-b039-72f7-8199-6613881b9e9a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_019fce12-b039-7dd0-a080-900d359bbd3b" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_019fce12-b039-72f7-8199-6613881b9e9a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019fce12-b039-702a-917f-140dfdcfab1e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:to="loc_us-gaap_LongTermDebt_019fce12-b039-702a-917f-140dfdcfab1e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_019fce12-b039-7e85-a1aa-8681dd804f31" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:to="loc_us-gaap_LineOfCredit_019fce12-b039-7e85-a1aa-8681dd804f31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019fce12-b039-748e-a939-36c95923355e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_019fce12-b039-748e-a939-36c95923355e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_019fce12-b039-7e5c-8253-91a7d91aa878" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnamortizedDebtIssuanceExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_019fce12-b039-7e5c-8253-91a7d91aa878" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_019fce12-b039-733b-bf15-6e6dcf114559" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_019fce12-b039-733b-bf15-6e6dcf114559" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019fce12-b039-7497-809b-a8cf5457aa16" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019fce12-b039-7497-809b-a8cf5457aa16" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtFairValue_019fce12-b039-70d5-aa9f-8958d9c41fac" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:to="loc_us-gaap_LongTermDebtFairValue_019fce12-b039-70d5-aa9f-8958d9c41fac" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_01a145b3-080c-70e0-8799-afb347464fc7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_01a145b3-080c-70e0-8799-afb347464fc7" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_LongTermDebtAndCapitalLeaseObligationsCurrentFairValueDisclosure_01a145b3-080c-74d8-a37b-3bb0b19a052f" xlink:href="pbf-20260930.xsd#pbf_LongTermDebtAndCapitalLeaseObligationsCurrentFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:to="loc_pbf_LongTermDebtAndCapitalLeaseObligationsCurrentFairValueDisclosure_01a145b3-080c-74d8-a37b-3bb0b19a052f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LinesOfCreditFairValueDisclosure_019fce12-b039-76b4-af52-bb3c39d2f808" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LinesOfCreditFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:to="loc_us-gaap_LinesOfCreditFairValueDisclosure_019fce12-b039-76b4-af52-bb3c39d2f808" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_LongTermDebtExcludingCurrentMaturitiesFairValue_019fce12-b039-7fa0-a13d-472fbe9f5c8e" xlink:href="pbf-20260930.xsd#pbf_LongTermDebtExcludingCurrentMaturitiesFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_019fce12-b039-7b50-94c4-d0b44556992a" xlink:to="loc_pbf_LongTermDebtExcludingCurrentMaturitiesFairValue_019fce12-b039-7fa0-a13d-472fbe9f5c8e" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/DERIVATIVESAdditionalInformationDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#DERIVATIVESAdditionalInformationDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/DERIVATIVESAdditionalInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_019fce12-b039-7f94-a1e8-11bdcaea5391" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_019fce12-b039-7e8b-82f2-900f65a65c40" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_019fce12-b039-7f94-a1e8-11bdcaea5391" xlink:to="loc_us-gaap_DerivativeTable_019fce12-b039-7e8b-82f2-900f65a65c40" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019fce12-b039-764c-9c96-4d08e1c6c66e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019fce12-b039-7e8b-82f2-900f65a65c40" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019fce12-b039-764c-9c96-4d08e1c6c66e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-764c-9c96-4d08e1c6c66e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fce12-b039-764c-9c96-4d08e1c6c66e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-764c-9c96-4d08e1c6c66e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7256-ae8e-5869061fea6f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fce12-b039-764c-9c96-4d08e1c6c66e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7256-ae8e-5869061fea6f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_CrudeOilCommodityContractMember_019fce12-b039-7734-97fd-eea62490f2e0" xlink:href="pbf-20260930.xsd#pbf_CrudeOilCommodityContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7256-ae8e-5869061fea6f" xlink:to="loc_pbf_CrudeOilCommodityContractMember_019fce12-b039-7734-97fd-eea62490f2e0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_RefinedProductCommodityContractMember_019fce12-b039-7694-9725-6ac31d7bf567" xlink:href="pbf-20260930.xsd#pbf_RefinedProductCommodityContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7256-ae8e-5869061fea6f" xlink:to="loc_pbf_RefinedProductCommodityContractMember_019fce12-b039-7694-9725-6ac31d7bf567" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019fce12-b039-7093-b554-444bd6c8d446" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_019fce12-b039-7e8b-82f2-900f65a65c40" xlink:to="loc_us-gaap_HedgingDesignationAxis_019fce12-b039-7093-b554-444bd6c8d446" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-7093-b554-444bd6c8d446_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019fce12-b039-7093-b554-444bd6c8d446" xlink:to="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-7093-b554-444bd6c8d446_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-75ff-b2c6-25992d1c44ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019fce12-b039-7093-b554-444bd6c8d446" xlink:to="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-75ff-b2c6-25992d1c44ba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019fce12-b039-75d4-9952-e16b1a40ea9a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-75ff-b2c6-25992d1c44ba" xlink:to="loc_us-gaap_NondesignatedMember_019fce12-b039-75d4-9952-e16b1a40ea9a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNonmonetaryNotionalAmount_019fce12-b039-79b0-a922-76f9971de7c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeNonmonetaryNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019fce12-b039-7f94-a1e8-11bdcaea5391" xlink:to="loc_us-gaap_DerivativeNonmonetaryNotionalAmount_019fce12-b039-79b0-a922-76f9971de7c7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueHedgesAtFairValueNet_019fce12-b039-75cd-944c-65d55ef174f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueHedgesAtFairValueNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_019fce12-b039-7f94-a1e8-11bdcaea5391" xlink:to="loc_us-gaap_FairValueHedgesAtFairValueNet_019fce12-b039-75cd-944c-65d55ef174f6" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/DERIVATIVESFairValueofDerivativeInstrumentsDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#DERIVATIVESFairValueofDerivativeInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/DERIVATIVESFairValueofDerivativeInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_019fce12-b039-7362-b7b9-ba007a76b354" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019fce12-b039-767f-9fff-1c7b8833402e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019fce12-b039-7362-b7b9-ba007a76b354" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019fce12-b039-767f-9fff-1c7b8833402e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019fce12-b039-7f5e-bac1-76ce9d01402a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019fce12-b039-767f-9fff-1c7b8833402e" xlink:to="loc_us-gaap_HedgingDesignationAxis_019fce12-b039-7f5e-bac1-76ce9d01402a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-7f5e-bac1-76ce9d01402a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019fce12-b039-7f5e-bac1-76ce9d01402a" xlink:to="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-7f5e-bac1-76ce9d01402a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-7622-b2b3-12531bf13a96" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019fce12-b039-7f5e-bac1-76ce9d01402a" xlink:to="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-7622-b2b3-12531bf13a96" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019fce12-b039-7219-a8f9-1c60bbf5145a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-7622-b2b3-12531bf13a96" xlink:to="loc_us-gaap_NondesignatedMember_019fce12-b039-7219-a8f9-1c60bbf5145a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019fce12-b039-7aac-9b52-6c8246a4cc46" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019fce12-b039-767f-9fff-1c7b8833402e" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019fce12-b039-7aac-9b52-6c8246a4cc46" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7aac-9b52-6c8246a4cc46_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fce12-b039-7aac-9b52-6c8246a4cc46" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7aac-9b52-6c8246a4cc46_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7cb4-ad30-bd8eb36cfbdb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fce12-b039-7aac-9b52-6c8246a4cc46" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7cb4-ad30-bd8eb36cfbdb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_019fce12-b039-7eef-9f9e-0fcb1b50bfeb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommodityContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7cb4-ad30-bd8eb36cfbdb" xlink:to="loc_us-gaap_CommodityContractMember_019fce12-b039-7eef-9f9e-0fcb1b50bfeb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_019fce12-b039-74fd-9dbd-0c4ed1613f8a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_019fce12-b039-767f-9fff-1c7b8833402e" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_019fce12-b039-74fd-9dbd-0c4ed1613f8a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_019fce12-b039-74fd-9dbd-0c4ed1613f8a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_019fce12-b039-74fd-9dbd-0c4ed1613f8a" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_019fce12-b039-74fd-9dbd-0c4ed1613f8a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_019fce12-b039-7678-a8e4-b6b79bc19cf1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_019fce12-b039-74fd-9dbd-0c4ed1613f8a" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_019fce12-b039-7678-a8e4-b6b79bc19cf1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_019fce12-b039-7dff-8320-9d5613f5e73b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_019fce12-b039-7678-a8e4-b6b79bc19cf1" xlink:to="loc_us-gaap_AccountsReceivableMember_019fce12-b039-7dff-8320-9d5613f5e73b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableMember_01a145b1-34b4-779d-8f5d-9513d38a7329" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_019fce12-b039-7678-a8e4-b6b79bc19cf1" xlink:to="loc_us-gaap_AccountsPayableMember_01a145b1-34b4-779d-8f5d-9513d38a7329" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_019fce12-b039-7990-9f73-8b1003b2f738" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFairValueOfDerivativeNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_019fce12-b039-7362-b7b9-ba007a76b354" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNet_019fce12-b039-7990-9f73-8b1003b2f738" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/DERIVATIVESGainLossRecognizedinIncomeDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#DERIVATIVESGainLossRecognizedinIncomeDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/DERIVATIVESGainLossRecognizedinIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019fce12-b039-77a7-98f0-049aec57243a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019fce12-b039-755d-be20-3b1b906bb6c0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019fce12-b039-77a7-98f0-049aec57243a" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019fce12-b039-755d-be20-3b1b906bb6c0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_019fce12-b039-79ed-b0c8-49a789a2b518" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019fce12-b039-755d-be20-3b1b906bb6c0" xlink:to="loc_us-gaap_HedgingDesignationAxis_019fce12-b039-79ed-b0c8-49a789a2b518" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-79ed-b0c8-49a789a2b518_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_019fce12-b039-79ed-b0c8-49a789a2b518" xlink:to="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-79ed-b0c8-49a789a2b518_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-7885-978e-8260cc5dbdcc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_019fce12-b039-79ed-b0c8-49a789a2b518" xlink:to="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-7885-978e-8260cc5dbdcc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_019fce12-b039-7cc7-805f-1a24cb01e424" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_019fce12-b039-7885-978e-8260cc5dbdcc" xlink:to="loc_us-gaap_NondesignatedMember_019fce12-b039-7cc7-805f-1a24cb01e424" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_019fce12-b039-7ac7-a88c-bdc4022b2378" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_019fce12-b039-755d-be20-3b1b906bb6c0" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_019fce12-b039-7ac7-a88c-bdc4022b2378" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7ac7-a88c-bdc4022b2378_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fce12-b039-7ac7-a88c-bdc4022b2378" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7ac7-a88c-bdc4022b2378_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7127-bc23-bf0592bc32f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_019fce12-b039-7ac7-a88c-bdc4022b2378" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7127-bc23-bf0592bc32f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_019fce12-b039-7da7-b295-65625ac891c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommodityContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_019fce12-b039-7127-bc23-bf0592bc32f2" xlink:to="loc_us-gaap_CommodityContractMember_019fce12-b039-7da7-b295-65625ac891c9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_019fce12-b039-748f-a416-abca810c8660" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019fce12-b039-77a7-98f0-049aec57243a" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_019fce12-b039-748f-a416-abca810c8660" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration_019fce12-b039-7763-84df-5fae142cec83" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_019fce12-b039-77a7-98f0-049aec57243a" xlink:to="loc_us-gaap_DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration_019fce12-b039-7763-84df-5fae142cec83" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/SEGMENTINFORMATIONDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#SEGMENTINFORMATIONDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/SEGMENTINFORMATIONDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fce12-b039-75fa-b6af-bdab22b5981f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fce12-b039-75fa-b6af-bdab22b5981f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_019fce12-b039-7d95-a540-3765f5b4fccb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fce12-b039-75fa-b6af-bdab22b5981f" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_019fce12-b039-7d95-a540-3765f5b4fccb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fce12-b039-7d95-a540-3765f5b4fccb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fce12-b039-7d95-a540-3765f5b4fccb" xlink:to="loc_us-gaap_SegmentDomain_019fce12-b039-7d95-a540-3765f5b4fccb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_019fce12-b039-7d05-8cae-29894b5c2d4d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_019fce12-b039-7d95-a540-3765f5b4fccb" xlink:to="loc_us-gaap_SegmentDomain_019fce12-b039-7d05-8cae-29894b5c2d4d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_RefiningGroupMember_019fce12-b039-759e-9695-5f8dbccb34f4" xlink:href="pbf-20260930.xsd#pbf_RefiningGroupMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fce12-b039-7d05-8cae-29894b5c2d4d" xlink:to="loc_pbf_RefiningGroupMember_019fce12-b039-759e-9695-5f8dbccb34f4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_PBFLogisticsLPMember_019fce12-b0cc-73cf-b109-14549bc33c94" xlink:href="pbf-20260930.xsd#pbf_PBFLogisticsLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fce12-b039-7d05-8cae-29894b5c2d4d" xlink:to="loc_pbf_PBFLogisticsLPMember_019fce12-b0cc-73cf-b109-14549bc33c94" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateMember_019fce12-b0cc-78da-ab23-cb9fde88e61e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CorporateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_019fce12-b039-7d05-8cae-29894b5c2d4d" xlink:to="loc_us-gaap_CorporateMember_019fce12-b0cc-78da-ab23-cb9fde88e61e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_019fce12-b0cc-7858-aa03-0be66b01eaf3" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fce12-b039-75fa-b6af-bdab22b5981f" xlink:to="loc_srt_ConsolidationItemsAxis_019fce12-b0cc-7858-aa03-0be66b01eaf3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fce12-b0cc-7858-aa03-0be66b01eaf3_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_019fce12-b0cc-7858-aa03-0be66b01eaf3" xlink:to="loc_srt_ConsolidationItemsDomain_019fce12-b0cc-7858-aa03-0be66b01eaf3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_019fce12-b0cc-7827-a55e-737dd78e70fe" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_019fce12-b0cc-7858-aa03-0be66b01eaf3" xlink:to="loc_srt_ConsolidationItemsDomain_019fce12-b0cc-7827-a55e-737dd78e70fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_019fce12-b0cc-703b-a332-1365566a7d37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019fce12-b0cc-7827-a55e-737dd78e70fe" xlink:to="loc_us-gaap_OperatingSegmentsMember_019fce12-b0cc-703b-a332-1365566a7d37" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_019fce12-b0cc-7b27-b2e8-0fe219cb095c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_019fce12-b0cc-7827-a55e-737dd78e70fe" xlink:to="loc_us-gaap_IntersegmentEliminationMember_019fce12-b0cc-7b27-b2e8-0fe219cb095c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_019fce12-b0cc-7c5f-9b65-41bf03fec64f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fce12-b039-75fa-b6af-bdab22b5981f" xlink:to="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_019fce12-b0cc-7c5f-9b65-41bf03fec64f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProjectMember_019fce12-b0cc-7c5f-9b65-41bf03fec64f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProjectMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_019fce12-b0cc-7c5f-9b65-41bf03fec64f" xlink:to="loc_us-gaap_ProjectMember_019fce12-b0cc-7c5f-9b65-41bf03fec64f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProjectMember_019fce12-b0cc-7107-97b3-9239e5b6fc43" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProjectMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationByPropertyOrProjectAxis_019fce12-b0cc-7c5f-9b65-41bf03fec64f" xlink:to="loc_us-gaap_ProjectMember_019fce12-b0cc-7107-97b3-9239e5b6fc43" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_MartinezFireRebuildMember_019fce12-b0cc-784b-a5f8-9e213f77dbeb" xlink:href="pbf-20260930.xsd#pbf_MartinezFireRebuildMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ProjectMember_019fce12-b0cc-7107-97b3-9239e5b6fc43" xlink:to="loc_pbf_MartinezFireRebuildMember_019fce12-b0cc-784b-a5f8-9e213f77dbeb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionTypeAxis_01a141fa-9b88-7144-b808-f385cf9a60cc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransactionTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_019fce12-b039-75fa-b6af-bdab22b5981f" xlink:to="loc_us-gaap_TransactionTypeAxis_01a141fa-9b88-7144-b808-f385cf9a60cc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionDomain_01a141fa-9b88-7144-b808-f385cf9a60cc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TransactionTypeAxis_01a141fa-9b88-7144-b808-f385cf9a60cc" xlink:to="loc_us-gaap_TransactionDomain_01a141fa-9b88-7144-b808-f385cf9a60cc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionDomain_01a141fa-9b88-718d-8f43-17b5293c7ca5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TransactionTypeAxis_01a141fa-9b88-7144-b808-f385cf9a60cc" xlink:to="loc_us-gaap_TransactionDomain_01a141fa-9b88-718d-8f43-17b5293c7ca5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_HydrogenPlantAssetPurchaseMember_01a141fa-c12a-7ca7-941e-c5cb6ae09ec3" xlink:href="pbf-20260930.xsd#pbf_HydrogenPlantAssetPurchaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransactionDomain_01a141fa-9b88-718d-8f43-17b5293c7ca5" xlink:to="loc_pbf_HydrogenPlantAssetPurchaseMember_01a141fa-c12a-7ca7-941e-c5cb6ae09ec3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_019fce12-b0cc-7e4e-9a0d-166172969796" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_us-gaap_NumberOfReportableSegments_019fce12-b0cc-7e4e-9a0d-166172969796" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_NumberOfOperatingRefineries_019fce12-b0cc-79d6-b049-c81dbe3decae" xlink:href="pbf-20260930.xsd#pbf_NumberOfOperatingRefineries"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_pbf_NumberOfOperatingRefineries_019fce12-b0cc-79d6-b049-c81dbe3decae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_019fce12-b0cc-7cec-9feb-00649d4e62d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_us-gaap_NumberOfOperatingSegments_019fce12-b0cc-7cec-9feb-00649d4e62d2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fce12-b0cc-7997-af8c-04367a6428f3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019fce12-b0cc-7997-af8c-04367a6428f3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_019fce12-b0cc-78ae-a0e0-822759934da2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_019fce12-b0cc-78ae-a0e0-822759934da2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_OperatingExpensesExcludingDepreciationAndAmortizationExpense_019fce12-b0cc-7eac-b360-43914c4a88cd" xlink:href="pbf-20260930.xsd#pbf_OperatingExpensesExcludingDepreciationAndAmortizationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_pbf_OperatingExpensesExcludingDepreciationAndAmortizationExpense_019fce12-b0cc-7eac-b360-43914c4a88cd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDepreciationAmortizationAndDepletion_019fce12-b0cc-7540-a674-5700c29655e8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostDepreciationAmortizationAndDepletion"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_us-gaap_CostDepreciationAmortizationAndDepletion_019fce12-b0cc-7540-a674-5700c29655e8" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_CostsAndExpensesAdjusted_019fce12-b0cc-7813-8500-5f54630cdf7c" xlink:href="pbf-20260930.xsd#pbf_CostsAndExpensesAdjusted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_pbf_CostsAndExpensesAdjusted_019fce12-b0cc-7813-8500-5f54630cdf7c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019fce12-b0cc-767f-817d-a3b1ff2a6ab4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_us-gaap_OperatingIncomeLoss_019fce12-b0cc-767f-817d-a3b1ff2a6ab4" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_019fce12-b0cc-7f7d-b5a9-c851d655248b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_us-gaap_InterestExpense_019fce12-b0cc-7f7d-b5a9-c851d655248b" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_CapitalExpenditures_019fce12-b0cc-7d11-97b6-e40671e04c61" xlink:href="pbf-20260930.xsd#pbf_CapitalExpenditures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_pbf_CapitalExpenditures_019fce12-b0cc-7d11-97b6-e40671e04c61" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019fce12-b0cc-7f58-a4b7-7445f62e50d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_us-gaap_Assets_019fce12-b0cc-7f58-a4b7-7445f62e50d6" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_019fce12-b0cc-7e1f-873b-a88e45a9030d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_019fce12-b0cc-725e-882f-effdf6731fea" xlink:to="loc_us-gaap_EquityMethodInvestments_019fce12-b0cc-7e1f-873b-a88e45a9030d" xlink:type="arc" order="12"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/NETINCOMEPERSHAREDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#NETINCOMEPERSHAREDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/NETINCOMEPERSHAREDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_019fce12-b0cc-772b-82c2-03352d4b4a22" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_019fce12-b0cc-7161-83af-cea5649c7065" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_019fce12-b0cc-772b-82c2-03352d4b4a22" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_019fce12-b0cc-7161-83af-cea5649c7065" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_019fce12-b0cc-73fc-870c-88a7c4af6d7c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_019fce12-b0cc-7161-83af-cea5649c7065" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_019fce12-b0cc-73fc-870c-88a7c4af6d7c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_019fce12-b0cc-73fc-870c-88a7c4af6d7c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_019fce12-b0cc-73fc-870c-88a7c4af6d7c" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_019fce12-b0cc-73fc-870c-88a7c4af6d7c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_019fce12-b0cc-7e59-87ab-6f3601b1caa1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_019fce12-b0cc-73fc-870c-88a7c4af6d7c" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_019fce12-b0cc-7e59-87ab-6f3601b1caa1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_019fce12-b0cc-78c6-8fe6-bb085d3c6b60" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_019fce12-b0cc-7e59-87ab-6f3601b1caa1" xlink:to="loc_us-gaap_EmployeeStockOptionMember_019fce12-b0cc-78c6-8fe6-bb085d3c6b60" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_019fce12-b0cc-7b36-b32d-b9f638b565bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareBasicAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_019fce12-b0cc-772b-82c2-03352d4b4a22" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_019fce12-b0cc-7b36-b32d-b9f638b565bb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019fce12-b0cc-7b7b-a023-29908ba1518a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_019fce12-b0cc-7b36-b32d-b9f638b565bb" xlink:to="loc_us-gaap_NetIncomeLoss_019fce12-b0cc-7b7b-a023-29908ba1518a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_019fce12-b0cc-7a0c-b9c4-ef9dd564065d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_019fce12-b0cc-7b36-b32d-b9f638b565bb" xlink:to="loc_us-gaap_UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic_019fce12-b0cc-7a0c-b9c4-ef9dd564065d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_019fce12-b0cc-71c8-ab66-f9daeddd0d5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_019fce12-b0cc-7b36-b32d-b9f638b565bb" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_019fce12-b0cc-71c8-ab66-f9daeddd0d5a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fce12-b0cc-7bf8-9ad7-94dab76e0944" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_019fce12-b0cc-7b36-b32d-b9f638b565bb" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fce12-b0cc-7bf8-9ad7-94dab76e0944" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_019fce12-b0cc-74b5-81ef-1d4ac3d73857" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_019fce12-b0cc-7b36-b32d-b9f638b565bb" xlink:to="loc_us-gaap_EarningsPerShareBasic_019fce12-b0cc-74b5-81ef-1d4ac3d73857" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_019fce12-b0cc-715c-8f6e-a2e35d195be3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareDilutedAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_019fce12-b0cc-772b-82c2-03352d4b4a22" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_019fce12-b0cc-715c-8f6e-a2e35d195be3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther_019fce12-b0cc-7f1a-bb6c-85b02f3f15b2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_019fce12-b0cc-715c-8f6e-a2e35d195be3" xlink:to="loc_us-gaap_DilutiveSecuritiesEffectOnBasicEarningsPerShareOther_019fce12-b0cc-7f1a-bb6c-85b02f3f15b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_DilutiveSecuritiesEffectOnBasicEarningsPerShareOtherTax_019fce12-b0cc-78eb-86b0-33a1873c6aa2" xlink:href="pbf-20260930.xsd#pbf_DilutiveSecuritiesEffectOnBasicEarningsPerShareOtherTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_019fce12-b0cc-715c-8f6e-a2e35d195be3" xlink:to="loc_pbf_DilutiveSecuritiesEffectOnBasicEarningsPerShareOtherTax_019fce12-b0cc-78eb-86b0-33a1873c6aa2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_019fce12-b0cc-78cf-8a1b-0ec3c0686c8d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_019fce12-b0cc-715c-8f6e-a2e35d195be3" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_019fce12-b0cc-78cf-8a1b-0ec3c0686c8d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019fce12-b0cc-7a06-903c-3ab911d3cbec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_019fce12-b0cc-7dd2-96d3-1523008d5813" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_019fce12-b0cc-715c-8f6e-a2e35d195be3" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_019fce12-b0cc-7dd2-96d3-1523008d5813" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_IncrementalCommonSharesAttributableToDilutiveEffectOfConversionOfStock_019fce12-b0cc-742f-8afa-ecd14804b217" xlink:href="pbf-20260930.xsd#pbf_IncrementalCommonSharesAttributableToDilutiveEffectOfConversionOfStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_019fce12-b0cc-7dd2-96d3-1523008d5813" xlink:to="loc_pbf_IncrementalCommonSharesAttributableToDilutiveEffectOfConversionOfStock_019fce12-b0cc-742f-8afa-ecd14804b217" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_019fce12-b0cc-7ead-8d94-f1016a6dad26" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_019fce12-b0cc-7dd2-96d3-1523008d5813" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_019fce12-b0cc-7ead-8d94-f1016a6dad26" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019fce12-b0cc-7f24-84f4-ca15ce4f49a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_019fce12-b0cc-715c-8f6e-a2e35d195be3" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019fce12-b0cc-7f24-84f4-ca15ce4f49a9" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_019fce12-b0cc-72f0-a25a-60271273953b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_019fce12-b0cc-715c-8f6e-a2e35d195be3" xlink:to="loc_us-gaap_EarningsPerShareDiluted_019fce12-b0cc-72f0-a25a-60271273953b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_Statutorytaxrate_019fce12-b0cc-7254-bc3e-ae834ddbbd23" xlink:href="pbf-20260930.xsd#pbf_Statutorytaxrate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_019fce12-b0cc-772b-82c2-03352d4b4a22" xlink:to="loc_pbf_Statutorytaxrate_019fce12-b0cc-7254-bc3e-ae834ddbbd23" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_019fce12-b0cc-7000-9119-beb1b8a28bbe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_019fce12-b0cc-772b-82c2-03352d4b4a22" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_019fce12-b0cc-7000-9119-beb1b8a28bbe" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.pbfenergy.com/role/SUBSEQUENTEVENTSDetails" xlink:type="simple" xlink:href="pbf-20260930.xsd#SUBSEQUENTEVENTSDetails"/>
  <link:definitionLink xlink:role="http://www.pbfenergy.com/role/SUBSEQUENTEVENTSDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_019fce12-b0cc-7aa1-aa6c-b552f232214e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_019fce12-b0cc-7135-8148-594e3642865c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fce12-b0cc-7aa1-aa6c-b552f232214e" xlink:to="loc_us-gaap_SubsequentEventTable_019fce12-b0cc-7135-8148-594e3642865c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_019fce12-b0cc-74ad-a7df-b2796f2d8c83" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fce12-b0cc-7135-8148-594e3642865c" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_019fce12-b0cc-74ad-a7df-b2796f2d8c83" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_019fce12-b0cc-74ad-a7df-b2796f2d8c83_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_019fce12-b0cc-74ad-a7df-b2796f2d8c83" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_019fce12-b0cc-74ad-a7df-b2796f2d8c83_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_019fce12-b0cc-73ce-8ac1-ea401ca56cb6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_019fce12-b0cc-74ad-a7df-b2796f2d8c83" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_019fce12-b0cc-73ce-8ac1-ea401ca56cb6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_019fce12-b0cc-72a8-afdd-87085a319d09" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_019fce12-b0cc-73ce-8ac1-ea401ca56cb6" xlink:to="loc_us-gaap_SubsequentEventMember_019fce12-b0cc-72a8-afdd-87085a319d09" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_019fce12-b0cc-7f22-9fd3-21ea5e55a6d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fce12-b0cc-7135-8148-594e3642865c" xlink:to="loc_us-gaap_StatementClassOfStockAxis_019fce12-b0cc-7f22-9fd3-21ea5e55a6d5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b0cc-7f22-9fd3-21ea5e55a6d5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b0cc-7f22-9fd3-21ea5e55a6d5" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b0cc-7f22-9fd3-21ea5e55a6d5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_019fce12-b0cc-7aa7-98ca-10e6c2c2049f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_019fce12-b0cc-7f22-9fd3-21ea5e55a6d5" xlink:to="loc_us-gaap_ClassOfStockDomain_019fce12-b0cc-7aa7-98ca-10e6c2c2049f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_019fce12-b0cc-71e6-ba75-54eb23f84677" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_019fce12-b0cc-7aa7-98ca-10e6c2c2049f" xlink:to="loc_us-gaap_CommonClassAMember_019fce12-b0cc-71e6-ba75-54eb23f84677" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_01a14204-dab3-7fa5-b179-c73906864b75" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fce12-b0cc-7135-8148-594e3642865c" xlink:to="loc_us-gaap_DebtInstrumentAxis_01a14204-dab3-7fa5-b179-c73906864b75" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_01a14204-dab3-7fa5-b179-c73906864b75_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_01a14204-dab3-7fa5-b179-c73906864b75" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_01a14204-dab3-7fa5-b179-c73906864b75_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_01a14204-dab3-76ec-bfc0-2502b5fdd09f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_01a14204-dab3-7fa5-b179-c73906864b75" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_01a14204-dab3-76ec-bfc0-2502b5fdd09f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20309.875SeniorNotesMember_01a14204-eed4-77f9-a8c2-59f37b49bb8a" xlink:href="pbf-20260930.xsd#pbf_A20309.875SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_01a14204-dab3-76ec-bfc0-2502b5fdd09f" xlink:to="loc_pbf_A20309.875SeniorNotesMember_01a14204-eed4-77f9-a8c2-59f37b49bb8a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_01a14208-2632-7697-bf11-a21214e3a312" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_019fce12-b0cc-7135-8148-594e3642865c" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_01a14208-2632-7697-bf11-a21214e3a312" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_01a14208-2632-7697-bf11-a21214e3a312_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_01a14208-2632-7697-bf11-a21214e3a312" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_01a14208-2632-7697-bf11-a21214e3a312_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_01a14208-2632-71f7-8a32-c95d24602643" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_01a14208-2632-7697-bf11-a21214e3a312" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_01a14208-2632-71f7-8a32-c95d24602643" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_pbf_A20309.875SeniorNotesMember_01a14208-2632-76ad-b9ca-dc5b62970fcd" xlink:href="pbf-20260930.xsd#pbf_A20309.875SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_01a14208-2632-71f7-8a32-c95d24602643" xlink:to="loc_pbf_A20309.875SeniorNotesMember_01a14208-2632-76ad-b9ca-dc5b62970fcd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_019fce12-b0cc-712b-92fd-89090427a933" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fce12-b0cc-7aa1-aa6c-b552f232214e" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_019fce12-b0cc-712b-92fd-89090427a933" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_01a14204-55a9-7265-bd8e-08463a04dc72" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fce12-b0cc-7aa1-aa6c-b552f232214e" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_01a14204-55a9-7265-bd8e-08463a04dc72" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_01a14205-8413-7b72-971f-8ae048ef37da" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fce12-b0cc-7aa1-aa6c-b552f232214e" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_01a14205-8413-7b72-971f-8ae048ef37da" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_01a14208-2632-7248-a838-ad7fdf5f50ee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fce12-b0cc-7aa1-aa6c-b552f232214e" xlink:to="loc_us-gaap_LongTermDebt_01a14208-2632-7248-a838-ad7fdf5f50ee" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_01a14209-d6d9-73af-a599-42bd3f90b78e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_019fce12-b0cc-7aa1-aa6c-b552f232214e" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_01a14209-d6d9-73af-a599-42bd3f90b78e" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd#eedm"/>
  <link:definitionLink xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent" xlink:type="arc" order="41"/>
  </link:definitionLink>
</link:linkbase>
