content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001240855</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 NORTH SAM HOUSTON PARKWAY WEST</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>713-329-4500</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>MCEVOY M KEVIN</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common stock</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>245 Summer Street</com:street1>
            <com:city>Boston   </com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>02110</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>9675</noOfUnitsSold>
        <aggregateMarketValue>262482.75</aggregateMarketValue>
        <noOfUnitsOutstanding>101481447</noOfUnitsOutstanding>
        <approxSaleDate>08/20/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common stock	</securitiesClassTitle>
        <acquiredDate>02/24/2015</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>OCEANEERING INTERNATIONAL, INC.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>9675</amountOfSecuritiesAcquired>
        <paymentDate>02/24/2015</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>Shares are being sold from McEvoy 2007 Trust - Michael Kevin McEvoy, Trustee. </remarks>
      <noticeSignature>
        <noticeDate>08/20/2024</noticeDate>
        <signature>/s/ Myra King, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael Kevin McEvoy</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3029}]
text: 144
  0001240855
  XXXXXXXX
  LIVE
  0000073756
  OCEANEERING INTERNATIONAL INC
  001-10945
  5875 NORTH SAM HOUSTON PARKWAY WEST
  SUITE 400
  HOUSTON
  TX
  77086
  713-329-4500
  MCEVOY M KEVIN
  Director
  Common stock
  Fidelity Brokerage Services LLC
  245 Summer Street
  Boston
  MA
  02110
  9675
  262482.75
  101481447
  08/20/2024
  NYSE
  Common stock
  02/24/2015
  Stock Award
  OCEANEERING INTERNATIONAL, INC.
  N
  9675
  02/24/2015
  Compensation
  Y
  Shares are being sold from McEvoy 2007 Trust - Michael Kevin McEvoy, Trustee.
  08/20/2024
  /s/ Myra King, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael Kevin McEvoy