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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 Zze9kSAwoiZKWQwfxd9pFA==

<SEC-DOCUMENT>0001140361-11-001208.txt : 20110105
<SEC-HEADER>0001140361-11-001208.hdr.sgml : 20110105
<ACCEPTANCE-DATETIME>20110105151903
ACCESSION NUMBER:		0001140361-11-001208
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110103
FILED AS OF DATE:		20110105
DATE AS OF CHANGE:		20110105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN INTERNATIONAL GROUP INC
		CENTRAL INDEX KEY:			0000005272
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				132592361
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		70 PINE ST
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10270
		BUSINESS PHONE:		2127707000

	MAIL ADDRESS:	
		STREET 1:		70 PINE STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10270

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN INTERNATIONAL ENTERPRISES INC
		DATE OF NAME CHANGE:	19700507

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			STARR INTERNATIONAL CO INC
		CENTRAL INDEX KEY:			0001236615

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08787
		FILM NUMBER:		11510535

	BUSINESS ADDRESS:	
		STREET 1:		FITZWILLIAM HALL
		STREET 2:		FITZWILLIAM PLACE
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			2
		BUSINESS PHONE:		650-470-4500

	MAIL ADDRESS:	
		STREET 1:		FITZWILLIAM HALL
		STREET 2:		FITZWILLIAM PLACE
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			2
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-01-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000005272</issuerCik>
        <issuerName>AMERICAN INTERNATIONAL GROUP INC</issuerName>
        <issuerTradingSymbol>AIG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001236615</rptOwnerCik>
            <rptOwnerName>STARR INTERNATIONAL CO INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>101 BAARERSTRASSE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CH 6300 ZUG</rptOwnerCity>
            <rptOwnerState>V8</rptOwnerState>
            <rptOwnerZipCode>41</rptOwnerZipCode>
            <rptOwnerStateDescription>SWITZERLAND</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-01-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>22798</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13954637</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Distribution pursuant to Starr International Company, Inc. Deferred Compensation Profit Participation Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Stuart Osborne, Vice President, on behalf of Starr International Company, Inc.</signatureName>
        <signatureDate>2011-01-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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