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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 T1dXzM7HDKEXNspqFLYJMIh4U4Uc3ZCKoKRUnEOR2U0g6aPo0iT7iyWp4PWCqHbB
 MmCLNkw+/CxL2MnyE9I/Ew==

<SEC-DOCUMENT>0001316931-05-000005.txt : 20050611
<SEC-HEADER>0001316931-05-000005.hdr.sgml : 20050611
<ACCEPTANCE-DATETIME>20050525085129
ACCESSION NUMBER:		0001316931-05-000005
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050503
FILED AS OF DATE:		20050525
DATE AS OF CHANGE:		20050525

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MENS WEARHOUSE INC
		CENTRAL INDEX KEY:			0000884217
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-APPAREL & ACCESSORY STORES [5600]
		IRS NUMBER:				741790172
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			0201

	BUSINESS ADDRESS:	
		STREET 1:		5803 GLENMONT DR
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77081
		BUSINESS PHONE:		7135927200

	MAIL ADDRESS:	
		STREET 1:		5803 GLENMONT DR
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77081

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Zender Christopher
		CENTRAL INDEX KEY:			0001316931

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16097
		FILM NUMBER:		05855559

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		713-592-7438

	MAIL ADDRESS:	
		STREET 1:		5803 GLENMONT DRIVE
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77081
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>c0001316931d20050525f4af.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2005-05-03</periodOfReport>

    <dateOfOriginalSubmission>2005-05-03</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000884217</issuerCik>
        <issuerName>MENS WEARHOUSE INC</issuerName>
        <issuerTradingSymbol>MW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001316931</rptOwnerCik>
            <rptOwnerName>Zender Christopher</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5803 GLENMONT DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77081-1701</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President - K&amp;G Men's Company</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-05-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4600</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4600</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>37</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Employee Stock Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4/A is being filed to correct an inadvertent error with regard to the number of deferred stock units issued to Mr. Zender as reported on the original Form 4.</footnote>
        <footnote id="F2">Deferred stock units covering such shares were granted to the reporting person and shall vest as follows: 600 of the shares initially covered thereby on April 13, 2006, 1,200 of the shares initially covered thereby on each of April 13, 2007 and 2008 and an additional 1,600 of the shares initially covered thereby on April 13, 2009.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Claudia A. Pruitt, POA for Mr. Zender</signatureName>
        <signatureDate>2005-05-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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