content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <!-- Generated by Workiva -->
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001801331</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000073756</issuerCik>
        <issuerName>Oceaneering International, Inc.</issuerName>
        <secFileNumber>001-10945</secFileNumber>
        <issuerAddress>
          <com:street1>5875 N. Sam Houston Parkway W.</com:street1>
          <com:street2>Suite 400</com:street2>
          <com:city>Houston</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>77086</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>7133294500</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Earl Childress</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Tanglewood Legacy Advisors, LLC</name>
          <address>
            <com:street1>1 Riverway, Ste. 1550</com:street1>
            <com:city>Houston</com:city>
            <com:stateOrCountry>TX</com:stateOrCountry>
            <com:zipCode>77056</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>10000</noOfUnitsSold>
        <aggregateMarketValue>250200</aggregateMarketValue>
        <noOfUnitsOutstanding>101481447</noOfUnitsOutstanding>
        <approxSaleDate>08/08/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/29/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Open Market Purchase</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Childress Earl</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>10000</amountOfSecuritiesAcquired>
        <paymentDate>09/29/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>08/08/2024</noticeDate>
        <signature>/s/ Jennifer F.  Simons,  Attorney-in-Fact for Earl Childress</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2856}]
text: 144
  0001801331
  XXXXXXXX
  LIVE
  0000073756
  Oceaneering International, Inc.
  001-10945
  5875 N. Sam Houston Parkway W.
  Suite 400
  Houston
  TX
  77086
  7133294500
  Earl Childress
  Officer
  Common
  Tanglewood Legacy Advisors, LLC
  1 Riverway, Ste. 1550
  Houston
  TX
  77056
  10000
  250200
  101481447
  08/08/2024
  NYSE
  Common
  09/29/2022
  Open Market Purchase
  Childress Earl
  N
  10000
  09/29/2022
  Cash
  Y
  08/08/2024
  /s/ Jennifer F.  Simons,  Attorney-in-Fact for Earl Childress