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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001225208-09-020364.txt : 20091007
<SEC-HEADER>0001225208-09-020364.hdr.sgml : 20091007
<ACCEPTANCE-DATETIME>20091007191028
ACCESSION NUMBER:		0001225208-09-020364
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090630
FILED AS OF DATE:		20091007
DATE AS OF CHANGE:		20091007

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CLEGHORN JOHN EDWARD
		CENTRAL INDEX KEY:			0001235895

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14829
		FILM NUMBER:		091110935

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MOLSON COORS BREWING CO
		CENTRAL INDEX KEY:			0000024545
		STANDARD INDUSTRIAL CLASSIFICATION:	MALT BEVERAGES [2082]
		IRS NUMBER:				840178360
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1228

	BUSINESS ADDRESS:	
		STREET 1:		P.O. BOX 4030, MAIL #NH375
		CITY:			GOLDEN
		STATE:			CO
		ZIP:			80401
		BUSINESS PHONE:		3032773271

	MAIL ADDRESS:	
		STREET 1:		311 10TH STREET
		CITY:			GOLDEN
		STATE:			CO
		ZIP:			80401

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COORS ADOLPH CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>doc4a.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2009-06-30</periodOfReport>

    <dateOfOriginalSubmission>2009-07-02</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0000024545</issuerCik>
        <issuerName>MOLSON COORS BREWING CO</issuerName>
        <issuerTradingSymbol>TAP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001235895</rptOwnerCik>
            <rptOwnerName>CLEGHORN JOHN EDWARD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1225 17TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3200</rptOwnerStreet2>
            <rptOwnerCity>DENVER</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-06-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>306</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16815</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Due to a miscalculation in the number of shares of class B common stock (the &quot;shares&quot;) underlying a deferred stock unit grant in lieu of cash compensation granted to the reporting person on 6/30/09, this amended Form 4 is being filed to report the correct number of shares (which is a reduction from the shares originally reported).</footnote>
        <footnote id="F2">The reporting person received a deferred stock unit grant in lieu of cash compensation.  These shares vest in full upon the reporting person's termination as a director.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Samuel D. Walker</signatureName>
        <signatureDate>2009-10-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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