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    <periodOfReport>2022-11-18</periodOfReport>

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    <issuer>
        <issuerCik>0000075208</issuerCik>
        <issuerName>OVERSEAS SHIPHOLDING GROUP INC</issuerName>
        <issuerTradingSymbol>OSG</issuerTradingSymbol>
    </issuer>

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            <rptOwnerCik>0001179535</rptOwnerCik>
            <rptOwnerName>SILCOCK JULIE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O OVERSEAS SHIPHOLDING GROUP, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>302 KNIGHTS RUN AVE, SUITE 1200</rptOwnerStreet2>
            <rptOwnerCity>TAMPA</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33602</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
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            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
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    </reportingOwner>

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    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Julie E Silcock by Susan Allan, attorney-in-fact</signatureName>
        <signatureDate>2022-11-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
