<SEC-DOCUMENT>0000073756-25-000002.txt : 20250110
<SEC-HEADER>0000073756-25-000002.hdr.sgml : 20250110
<ACCEPTANCE-DATETIME>20250110162157
ACCESSION NUMBER:		0000073756-25-000002
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250101
FILED AS OF DATE:		20250110
DATE AS OF CHANGE:		20250110

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MERZ WILLIAM R.
		CENTRAL INDEX KEY:			0002051387
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10945
		FILM NUMBER:		25523272

	MAIL ADDRESS:	
		STREET 1:		5875 N. SAM HOUSTON PARKWAY, W.
		STREET 2:		SUITE 400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77086

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OCEANEERING INTERNATIONAL INC
		CENTRAL INDEX KEY:			0000073756
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				952628227
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5875 NORTH SAM HOUSTON PARKWAY WEST
		STREET 2:		SUITE 400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77086
		BUSINESS PHONE:		713-329-4500

	MAIL ADDRESS:	
		STREET 1:		5875 NORTH SAM HOUSTON PARKWAY WEST
		STREET 2:		SUITE 400
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77086
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wk-form3_1736544111.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2025-01-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000073756</issuerCik>
        <issuerName>OCEANEERING INTERNATIONAL INC</issuerName>
        <issuerTradingSymbol>OII</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002051387</rptOwnerCik>
            <rptOwnerName>MERZ WILLIAM R.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5875 N. SAM HOUSTON PARKWAY, W.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 400</rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77086</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, Aerospace and Def. Tech.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6154</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jennifer F. Simons, Attorney-in-Fact for William R. Merz</signatureName>
        <signatureDate>2025-01-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
