<?xml version="1.0"?><ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-11-17</periodOfReport><notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000055067</issuerCik>
        <issuerName>KELLOGG CO</issuerName>
        <issuerTradingSymbol>K</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001197921</rptOwnerCik>
            <rptOwnerName>KELLOGG W K FOUNDATION TRUST</rptOwnerName>
        </reportingOwnerId>
<reportingOwnerAddress><rptOwnerStreet1>The Bank of New York</rptOwnerStreet1><rptOwnerStreet2>One Wall Street - 19th Floor</rptOwnerStreet2><rptOwnerCity>New York</rptOwnerCity><rptOwnerState>NY</rptOwnerState><rptOwnerZipCode>10286</rptOwnerZipCode></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>1</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001197916</rptOwnerCik>
            <rptOwnerName>KELLOGG W K FOUNDATION</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE MICHIGAN AVENUE EAST</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATTLE CREEK</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>49017-4058</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>1</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-11-17</value></transactionDate><deemedExecutionDate><value>2003-11-17</value></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>43200</value></transactionShares><transactionPricePerShare><value>35.348</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>124414940</value><footnoteId id="F1"/><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value><footnoteId id="F1"/></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes><footnote id="F1">124,414,940 shares are directly owned by the W.K. Kellogg Foundation Trust (the "Trust") of which Jonathan T. Walton, William C. Richardson, Carlos M. Gutierrez, and The Bank of New York are Trustees and the W.K. Kellogg Foundation (the "Foundation") is the sole beneficiary.</footnote><footnote id="F2">721,920 shares are indirectly owned by the Carrie Staines Kellogg Trust #5977 of which the Foundation is currently a beneficiary.</footnote></footnotes><ownerSignature><signatureName>Catherine P. Boyle, Vice President, The Bank of New York, as Corporate Trustee of the W.K. Kellogg Foundation Trust, and signing for the W.K. Kellogg Foundation pursuant to a power of attorney dated 6/11/03.</signatureName><signatureDate>2003-11-17</signatureDate></ownerSignature></ownershipDocument>



