<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by CompSci Transform (tm) - http://www.compsciresources.com -->
<!-- Created: Tue Mar 25 03:40:14 UTC 2025 -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#IndividualsOnly" roleURI="http://xbrl.sec.gov/ecd/role/IndividualsOnly"/>
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#PvpAdjustmentsOnly" roleURI="http://xbrl.sec.gov/ecd/role/PvpAdjustmentsOnly"/>
  <roleRef xlink:type="simple" xlink:href="spgi-20241231.xsd#spgi_r_AdditionalDimensions" roleURI="http://www.spglobal.com/role/AdditionalDimensions"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all"/>
  <definitionLink xlink:role="http://xbrl.sec.gov/ecd/role/IndividualsOnly" xlink:type="extended">
<!-- [WMV6][XcpuxYn59dz7vgYynUDuwG7r97K2jUTysl7vcz0lJt/tC7CvZHOJjSUEJbYlSz0QmT1AzchKAjg5AqVJioVI5NpYpjc2sqt61GC1BcJfnh4NN0ZT679j8cS5XV91jXs6yFdAHiXAidG4GkiPRBsEEQytvVg826xpz8deaVh1d1X/3g4AwSboorBpmB6gFTcdQjWuxRNe8FVysHXQ8/ugOHW/UKObkDU5I7Vme7UzjnIyhoVpcjlPHG/gbBxmvHjB+9Y484+P1BuaRCvkp9ObF7SJB6NJqZQU] CSR-->
    <loc xlink:type="locator" xlink:label="ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AllIndividualsMember"/>
    <loc xlink:type="locator" xlink:label="spgi_MartinaCheungMember" xlink:href="spgi-20241231.xsd#spgi_MartinaCheungMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_AllIndividualsMember" xlink:to="spgi_MartinaCheungMember" order="2" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="spgi_DouglasLPetersonMember" xlink:href="spgi-20241231.xsd#spgi_DouglasLPetersonMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_AllIndividualsMember" xlink:to="spgi_DouglasLPetersonMember" order="4" xbrldt:closed="true"/>
  </definitionLink>
  <definitionLink xlink:role="http://xbrl.sec.gov/ecd/role/PvpAdjustmentsOnly" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="ecd_AllAdjToCompMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AllAdjToCompMember"/>
    <loc xlink:type="locator" xlink:label="spgi_FairValueOfAwardsForfeitedDuringTheCoveredYearMember" xlink:href="spgi-20241231.xsd#spgi_FairValueOfAwardsForfeitedDuringTheCoveredYearMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ecd_AllAdjToCompMember" xlink:to="spgi_FairValueOfAwardsForfeitedDuringTheCoveredYearMember" order="5" xbrldt:closed="true"/>
  </definitionLink>
  <definitionLink xlink:role="http://www.spglobal.com/role/AdditionalDimensions" xlink:type="extended"/>
</linkbase>
