<?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>0001759953</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <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>BRAMLEY CLAIRE</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>4528</noOfUnitsSold>
      <aggregateMarketValue>200182.88</aggregateMarketValue>
      <noOfUnitsOutstanding>101100000</noOfUnitsOutstanding>
      <approxSaleDate>05/12/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/15/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4528</amountOfSecuritiesAcquired>
      <paymentDate>12/15/2021</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Claire Fullard</name>
        <address>
          <com:street1>17095 Via Del Campo</com:street1>
          <com:city>San Diego</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>92127</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/14/2023</saleDate>
      <amountOfSecuritiesSold>5000</amountOfSecuritiesSold>
      <grossProceeds>200000.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>Claire Bramley and Claire Fullard are one and the same person.</remarks>
    <noticeSignature>
      <noticeDate>05/12/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>05/17/2022</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Claire Fullard</signature>
    </noticeSignature>
  </formData>
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144
0001759953
XXXXXXXX
LIVE
0000816761
TERADATA CORP /DE/
001-33458
17095 VIA DEL CAMPO
SAN DIEGO
CA
92127
866-548-8348
BRAMLEY CLAIRE
Officer
Common
Fidelity Brokerage Services LLC
900 Salem Street
Smithfield
RI
02917
4528
200182.88
101100000
05/12/2023
NYSE
Common
12/15/2021
Restricted Stock Vesting
Issuer
N
4528
12/15/2021
Compensation
N
Claire Fullard
17095 Via Del Campo
San Diego
CA
92127
Common
02/14/2023
5000
200000.00
Claire Bramley and Claire Fullard are one and the same person.
05/12/2023
05/17/2022
/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Claire Fullard