<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0706</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0000005108</cik>
        <entityName>AMERICAN GENERAL LIFE INSURANCE CO</entityName>
        <issuerAddress>
            <street1>2727-A ALLEN PARKWAY</street1>
            <city>HOUSTON</city>
            <stateOrCountry>TX</stateOrCountry>
            <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
            <zipCode>77019</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>7135221111</issuerPhoneNumber>
        <jurisdictionOfInc>TEXAS</jurisdictionOfInc>
        <issuerPreviousNameList>
            <value>None</value>
        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
        </edgarPreviousNameList>
        <entityType>Corporation</entityType>
        <yearOfInc>
            <overFiveYears>true</overFiveYears>
        </yearOfInc>
    </primaryIssuer>

    <relatedPersonsList>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Robert</firstName>
                <middleName>Michael</middleName>
                <lastName>Beuerlein</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2727-A Allen Parkway</street1>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77019</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director, Senior Vice President and Chief and Appointed Actuary</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jeffrey</firstName>
                <middleName>Howard</middleName>
                <lastName>Carlson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2919 Allen Parkway</street1>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77019</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director and Executive Vice President</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Don</firstName>
                <middleName>Wayne</middleName>
                <lastName>Cummings</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2919 Allen Parkway</street1>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77019</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director and Senior Vice President</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Mary</firstName>
                <middleName>Jane Bartolotta</middleName>
                <lastName>Fortin</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2919 Allen Parkway</street1>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77019</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director, Executive Vice President and Chief Financial Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Kyle</firstName>
                <middleName>Lynn</middleName>
                <lastName>Jennings</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2919 Allen Parkway</street1>
                <street2>L4-01</street2>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77019</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Director</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Terry</firstName>
                <middleName>Box</middleName>
                <lastName>Festervand</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2929 Allen Parkway</street1>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77019</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Senior Vice President and Treasurer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Curtis</firstName>
                <middleName>Warren</middleName>
                <lastName>Olson</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>3600 Route 66</street1>
                <city>Neptune</city>
                <stateOrCountry>NJ</stateOrCountry>
                <stateOrCountryDescription>NEW JERSEY</stateOrCountryDescription>
                <zipCode>07753</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>President - Benefit Solutions</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Jay</firstName>
                <middleName>Steven</middleName>
                <lastName>Wintrob</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2919 Allen Parkway</street1>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77019</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Chairman, Director, President and Chief Executive Officer</relationshipClarification>
        </relatedPersonInfo>
        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>John</firstName>
                <middleName>B.</middleName>
                <lastName>Deremo</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>2919 Allen Parkway</street1>
                <city>Houston</city>
                <stateOrCountry>TX</stateOrCountry>
                <stateOrCountryDescription>TEXAS</stateOrCountryDescription>
                <zipCode>77019</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
            </relatedPersonRelationshipList>
            <relationshipClarification>Executive Vice President</relationshipClarification>
        </relatedPersonInfo>
    </relatedPersonsList>

    <offeringData>
        <industryGroup>
            <industryGroupType>Insurance</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Over $100,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
            <item>3C</item>
            <item>3C.1</item>
            <item>3C.7</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0000005108-12-000001</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-03-10</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>true</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isOtherType>true</isOtherType>
            <descriptionOfOtherType>American General Signature II Group Flexible Premium Variable Life Insurance. The date of first sale was in previous years and is unknown.</descriptionOfOtherType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>250000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Wells Fargo</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Wells Fargo</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>One North Jefferson Avenue</street1>
                    <city>St. Louis</city>
                    <stateOrCountry>MO</stateOrCountry>
                    <stateOrCountryDescription>MISSOURI</stateOrCountryDescription>
                    <zipCode>63103</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
            <recipient>
                <recipientName>Benefit Finance Securities</recipientName>
                <recipientCRDNumber>None</recipientCRDNumber>
                <associatedBDName>Benefit Finance Securities</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>6 Cityplace Drive</street1>
                    <street2>Suite 400</street2>
                    <city>St. Louis</city>
                    <stateOrCountry>MO</stateOrCountry>
                    <stateOrCountryDescription>MISSOURI</stateOrCountryDescription>
                    <zipCode>63141</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <value>All States</value>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>Indefinite</totalOfferingAmount>
            <totalAmountSold>1499893293</totalAmountSold>
            <totalRemaining>Indefinite</totalRemaining>
            <clarificationOfResponse>Continuing Premium only</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>45</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>1921992</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
            </grossProceedsUsed>
            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>AMERICAN GENERAL LIFE INSURANCE CO</issuerName>
                <signatureName>JENNIFER P. POWELL</signatureName>
                <nameOfSigner>Jennifer P. Powell</nameOfSigner>
                <signatureTitle>Associate General Counsel</signatureTitle>
                <signatureDate>2013-02-28</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
