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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001209191-10-049752.txt : 20101007
<SEC-HEADER>0001209191-10-049752.hdr.sgml : 20101007
<ACCEPTANCE-DATETIME>20101007162931
ACCESSION NUMBER:		0001209191-10-049752
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101006
FILED AS OF DATE:		20101007
DATE AS OF CHANGE:		20101007

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			K. Kelly Roberts
		CENTRAL INDEX KEY:			0001408620

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15531
		FILM NUMBER:		101114224

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		713-386-7000

	MAIL ADDRESS:	
		STREET 1:		1510 WEST LOOP SOUTH
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77027

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LANDRYS RESTAURANTS INC
		CENTRAL INDEX KEY:			0000908652
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-EATING PLACES [5812]
		IRS NUMBER:				760405386
		FISCAL YEAR END:			1207

	BUSINESS ADDRESS:	
		STREET 1:		TO COME
		CITY:			TO COME
		STATE:			TX
		ZIP:			TO COME
		BUSINESS PHONE:		7138501010

	MAIL ADDRESS:	
		STREET 1:		TO COME
		CITY:			TO COME
		STATE:			TX
		ZIP:			TO COME

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LANDRYS  RESTAURANTS INC
		DATE OF NAME CHANGE:	20020227

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LANDRYS SEAFOOD RESTAURANTS INC
		DATE OF NAME CHANGE:	19930706
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-10-06</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000908652</issuerCik>
        <issuerName>LANDRYS RESTAURANTS INC</issuerName>
        <issuerTradingSymbol>LNY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001408620</rptOwnerCik>
            <rptOwnerName>K. Kelly Roberts</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1510 WEST LOOP SOUTH</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77027</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Administration Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-10-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1713</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>24.50</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>15.80</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-10-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.70</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2010-01-01</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-01-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">(1) As a result of the merger agreement between Fertitta Group, Inc., Fertitta Merger Co., Tilman J. Fertitta and Landry's Restaurants, Inc. on October 6, 2010, each share of issued and outstanding common stock of LNY was converted to $24.50 in cash.</footnote>
        <footnote id="F2">(2) As a result of the merger agreement between Fertitta Group, Inc., Fertitta Merger Co., Tilman J. Fertitta and Landry's Restaurants, Inc. on October 6, 2010, each outstanding stock option was converted to cash of $24.50 per share net of the option price.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/K. Kelly Roberts/</signatureName>
        <signatureDate>2010-10-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----