<?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>0001805286</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>Roedel Shaun</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab Corp.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>2122</noOfUnitsSold>
      <aggregateMarketValue>56848.38</aggregateMarketValue>
      <noOfUnitsOutstanding>100779554</noOfUnitsOutstanding>
      <approxSaleDate>09/28/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/21/2012</acquiredDate>
      <natureOfAcquisitionTransaction>Stock Grant</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2122</amountOfSecuritiesAcquired>
      <paymentDate>02/21/2012</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>Client acquired 2,122 shares between 02/21/2012 through 02/20/2017 Client did not pay for shares, they were granted.</remarks>
    <noticeSignature>
      <noticeDate>09/28/2023</noticeDate>
      <signature>Shaun R Roedel</signature>
    </noticeSignature>
  </formData>
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144
0001805286
XXXXXXXX
LIVE
0000073756
OCEANEERING INTERNATIONAL INC
001-10945
5875 NORTH SAM HOUSTON PARKWAY WEST
SUITE 400
HOUSTON
TX
77086
713-329-4500
Roedel Shaun
Officer
Common
Charles Schwab Corp.
3000 Schwab Way
Westlake
TX
76262
2122
56848.38
100779554
09/28/2023
NYSE
Common
02/21/2012
Stock Grant
Issuer
N
2122
02/21/2012
N/A
Y
Client acquired 2,122 shares between 02/21/2012 through 02/20/2017 Client did not pay for shares, they were granted.
09/28/2023
Shaun R Roedel