<SEC-DOCUMENT>0001225208-21-013448.txt : 20211102
<SEC-HEADER>0001225208-21-013448.hdr.sgml : 20211102
<ACCEPTANCE-DATETIME>20211102162845
ACCESSION NUMBER:		0001225208-21-013448
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211029
FILED AS OF DATE:		20211102
DATE AS OF CHANGE:		20211102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROBERTS BRIAN L
		CENTRAL INDEX KEY:			0001063948

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32871
		FILM NUMBER:		211371754

	MAIL ADDRESS:	
		STREET 1:		COMCAST CORP
		STREET 2:		1500 MARKET STREET-35TH FLOOR
		CITY:			PHILIDELPHIA
		STATE:			PA
		ZIP:			19102-2148

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMCAST CORP
		CENTRAL INDEX KEY:			0001166691
		STANDARD INDUSTRIAL CLASSIFICATION:	CABLE & OTHER PAY TELEVISION SERVICES [4841]
		IRS NUMBER:				270000798
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE COMCAST CENTER
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103-2838
		BUSINESS PHONE:		215-286-1700

	MAIL ADDRESS:	
		STREET 1:		ONE COMCAST CENTER
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103-2838

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AT&T COMCAST CORP
		DATE OF NAME CHANGE:	20020206
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-10-29</periodOfReport>

    <issuer>
        <issuerCik>0001166691</issuerCik>
        <issuerName>COMCAST CORP</issuerName>
        <issuerTradingSymbol>CMCSA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001063948</rptOwnerCik>
            <rptOwnerName>ROBERTS BRIAN L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE COMCAST CENTER</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <officerTitle>Chairman of Board, Pres. &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-10-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>I</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>194439.0440</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>51.4300</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>194439.0440</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>194439.0440</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each share of phantom stock represents the economic equivalent to one share of Class A common stock.  Phantom shares have been deferred under our deferred compensation plans, will settle in cash and may be transferred into alternative investments under the terms of our deferred compensation plans.</footnote>
        <footnote id="F2">The Reporting Person has elected to notionally reinvest previously deferred compensation into another deferred compensation plan investment.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Elizabeth Wideman, Attorney-in-fact</signatureName>
        <signatureDate>2021-11-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
