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    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001879101</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
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    <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>Skinner Todd C.</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>18470</noOfUnitsSold>
      <aggregateMarketValue>1375829.71</aggregateMarketValue>
      <noOfUnitsOutstanding>193200000</noOfUnitsOutstanding>
      <approxSaleDate>06/06/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>06/30/2021</acquiredDate>
      <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>195</amountOfSecuritiesAcquired>
      <paymentDate>06/30/2021</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/31/2021</acquiredDate>
      <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>57</amountOfSecuritiesAcquired>
      <paymentDate>12/31/2021</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/19/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>235</amountOfSecuritiesAcquired>
      <paymentDate>02/19/2022</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/20/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1888</amountOfSecuritiesAcquired>
      <paymentDate>02/20/2022</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/21/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>209</amountOfSecuritiesAcquired>
      <paymentDate>02/21/2022</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>06/30/2022</acquiredDate>
      <natureOfAcquisitionTransaction>ESPP Purchase</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>214</amountOfSecuritiesAcquired>
      <paymentDate>06/30/2022</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/19/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>235</amountOfSecuritiesAcquired>
      <paymentDate>02/19/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/21/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>493</amountOfSecuritiesAcquired>
      <paymentDate>02/21/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/30/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Option Exercise - (Granted 03/19/2014)</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>11880</amountOfSecuritiesAcquired>
      <paymentDate>03/30/2023</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>05/12/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3064</amountOfSecuritiesAcquired>
      <paymentDate>05/12/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Todd Skinner</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>03/29/2023</saleDate>
      <amountOfSecuritiesSold>25989</amountOfSecuritiesSold>
      <grossProceeds>1559340.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>06/06/2023</noticeDate>
      <signature>/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Todd Skinner</signature>
    </noticeSignature>
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144
0001879101
XXXXXXXX
LIVE
0001552033
TransUnion
001-37470
555 WEST ADAMS STREET
CHICAGO
IL
60661
(312) 985-2000
Skinner Todd C.
Officer
Common
Fidelity Brokerage Services LLC
900 Salem Street
Smithfield
RI
02917
18470
1375829.71
193200000
06/06/2023
NYSE
Common
06/30/2021
ESPP Purchase
Issuer
N
195
06/30/2021
Cash
Common
12/31/2021
ESPP Purchase
Issuer
N
57
12/31/2021
Cash
Common
02/19/2022
Restricted Stock Vesting
Issuer
N
235
02/19/2022
Compensation
Common
02/20/2022
Restricted Stock Vesting
Issuer
N
1888
02/20/2022
Compensation
Common
02/21/2022
Restricted Stock Vesting
Issuer
N
209
02/21/2022
Compensation
Common
06/30/2022
ESPP Purchase
Issuer
N
214
06/30/2022
Cash
Common
02/19/2023
Restricted Stock Vesting
Issuer
N
235
02/19/2023
Compensation
Common
02/21/2023
Restricted Stock Vesting
Issuer
N
493
02/21/2023
Compensation
Common
03/30/2023
Stock Option Exercise - (Granted 03/19/2014)
Issuer
N
11880
03/30/2023
Cash
Common
05/12/2023
Restricted Stock Vesting
Issuer
N
3064
05/12/2023
Compensation
N
Todd Skinner
555 West Adams
Chicago
IL
60661
Common
03/29/2023
25989
1559340.00
06/06/2023
/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Todd Skinner