content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001687957</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001552033</issuerCik>
        <issuerName>TransUnion</issuerName>
        <secFileNumber>001-37470</secFileNumber>
        <issuerAddress>
          <com:street1>555 WEST ADAMS STREET</com:street1>
          <com:city>CHICAGO</com:city>
          <com:stateOrCountry>IL</com:stateOrCountry>
          <com:zipCode>60661</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>(312) 985-2000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Achanta Venkat</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>13163</noOfUnitsSold>
        <aggregateMarketValue>1210732.74</aggregateMarketValue>
        <noOfUnitsOutstanding>195100000</noOfUnitsOutstanding>
        <approxSaleDate>03/03/2025</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/28/2025</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>13163</amountOfSecuritiesAcquired>
        <paymentDate>02/28/2025</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Venkat Achanta</name>
          <address>
            <com:street1>555 West Adams</com:street1>
            <com:city>Chicago</com:city>
            <com:stateOrCountry>IL</com:stateOrCountry>
            <com:zipCode>60661</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>02/26/2025</saleDate>
        <amountOfSecuritiesSold>1821</amountOfSecuritiesSold>
        <grossProceeds>174342.54</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>03/03/2025</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>06/13/2024</planAdoptionDate>
        </planAdoptionDates>
        <signature>/s/ Jared Cook, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Venkat Achanta</signature>
      </noticeSignature>
    </formData>
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text: 144
  0001687957
  XXXXXXXX
  LIVE
  0001552033
  TransUnion
  001-37470
  555 WEST ADAMS STREET
  CHICAGO
  IL
  60661
  (312) 985-2000
  Achanta Venkat
  Officer
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  13163
  1210732.74
  195100000
  03/03/2025
  NYSE
  Common
  02/28/2025
  Restricted Stock Vesting
  Issuer
  N
  13163
  02/28/2025
  Compensation
  N
  Venkat Achanta
  555 West Adams
  Chicago
  IL
  60661
  Common
  02/26/2025
  1821
  174342.54
  03/03/2025
  06/13/2024
  /s/ Jared Cook, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Venkat Achanta