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        <filer>
          <filerCredentials>
            <cik>0001822747</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
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      <issuerInfo>
        <issuerCik>0000816761</issuerCik>
        <issuerName>TERADATA CORP /DE/</issuerName>
        <secFileNumber>001-33458</secFileNumber>
        <issuerAddress>
          <com:street1>17095 VIA DEL CAMPO</com:street1>
          <com:city>SAN DIEGO</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92127</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>866-548-8348</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Ashton Hillary</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Former 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>28341</noOfUnitsSold>
        <aggregateMarketValue>657982.62</aggregateMarketValue>
        <noOfUnitsOutstanding>94600000</noOfUnitsOutstanding>
        <approxSaleDate>03/04/2025</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>01/02/2025</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>13284</amountOfSecuritiesAcquired>
        <paymentDate>01/02/2025</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/12/2025</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>15057</amountOfSecuritiesAcquired>
        <paymentDate>02/12/2025</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>03/04/2025</noticeDate>
        <signature>/s/ Jared Cook, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Hillary H Ashton</signature>
      </noticeSignature>
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text: 144
  0001822747
  XXXXXXXX
  LIVE
  0000816761
  TERADATA CORP /DE/
  001-33458
  17095 VIA DEL CAMPO
  SAN DIEGO
  CA
  92127
  866-548-8348
  Ashton Hillary
  Former Officer
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  28341
  657982.62
  94600000
  03/04/2025
  NYSE
  Common
  01/02/2025
  Restricted Stock Vesting
  Issuer
  N
  13284
  01/02/2025
  Compensation
  Common
  02/12/2025
  Restricted Stock Vesting
  Issuer
  N
  15057
  02/12/2025
  Compensation
  Y
  03/04/2025
  /s/ Jared Cook, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Hillary H Ashton