-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 KUz5ucK9ACPybIOFud1yE0ohp+/gk/QKdzUw1LL846NMG9zGzCyMBJHYbC4NkJPp
 4jsO3XW/kZ2A8pFZbAWnSQ==

<SEC-DOCUMENT>0001209191-09-031613.txt : 20090610
<SEC-HEADER>0001209191-09-031613.hdr.sgml : 20090610
<ACCEPTANCE-DATETIME>20090610150503
ACCESSION NUMBER:		0001209191-09-031613
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090608
FILED AS OF DATE:		20090610
DATE AS OF CHANGE:		20090610

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			D AMICO CATHERINE
		CENTRAL INDEX KEY:			0001244840

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19357
		FILM NUMBER:		09884398

	MAIL ADDRESS:	
		STREET 1:		200 HOLLEDER PARKWAY
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14615

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MONRO MUFFLER BRAKE INC
		CENTRAL INDEX KEY:			0000876427
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-AUTOMOTIVE REPAIR, SERVICES & PARKING [7500]
		IRS NUMBER:				160838627
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		200 HOLLEDER PKWY
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14615-3808
		BUSINESS PHONE:		7166476400
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c86694_4x0.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-06-08</periodOfReport>

    <issuer>
        <issuerCik>0000876427</issuerCik>
        <issuerName>MONRO MUFFLER BRAKE INC</issuerName>
        <issuerTradingSymbol>MNRO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001244840</rptOwnerCik>
            <rptOwnerName>D AMICO CATHERINE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 HOLLEDER PARKWAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ROCHESTER</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>14615</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive V.P.-Finance</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>79439</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-06-08</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2009-06-08</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>26.5024</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>69439</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-06-09</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2009-06-09</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1506</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>26.50</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>67933</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <ownerSignature>
        <signatureName>/s/ Catherine D'Amico</signatureName>
        <signatureDate>2009-06-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----