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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QSIZF+KhPikrN2xYb5J7ghUo/nFdSKievR+1GnDUL1XZSweDwd2YEioNOifroBig
 Ileq38Be520QiY4hFLgrLg==

<SEC-DOCUMENT>0001157523-05-004129.txt : 20050502
<SEC-HEADER>0001157523-05-004129.hdr.sgml : 20050502
<ACCEPTANCE-DATETIME>20050502164815
ACCESSION NUMBER:		0001157523-05-004129
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050501
FILED AS OF DATE:		20050502
DATE AS OF CHANGE:		20050502

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LOUISIANA-PACIFIC CORP
		CENTRAL INDEX KEY:			0000060519
		STANDARD INDUSTRIAL CLASSIFICATION:	SAWMILLS, PLANNING MILLS, GENERAL [2421]
		IRS NUMBER:				930609074
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		414 UNION STREET
		STREET 2:		SUITE 2000
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37219-1711
		BUSINESS PHONE:		6159865600

	MAIL ADDRESS:	
		STREET 1:		414 UNION STREET
		STREET 2:		SUITE 2000
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37219-1711

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LOUISIANA PACIFIC CORP
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SIMPSON LEE C
		CENTRAL INDEX KEY:			0001229682

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07107
		FILM NUMBER:		05791369

	BUSINESS ADDRESS:	
		STREET 1:		80 SW BROADWAY
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97205
		BUSINESS PHONE:		6159865600

	MAIL ADDRESS:	
		STREET 1:		LOUISIANA-PACIFIC CORPORATION
		STREET 2:		414 UNION STREET, SUITE 1910
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37219
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4877656_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-05-01</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000060519</issuerCik>
        <issuerName>LOUISIANA-PACIFIC CORP</issuerName>
        <issuerTradingSymbol>LPX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001229682</rptOwnerCik>
            <rptOwnerName>SIMPSON LEE C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O LOUISIANA-PACIFIC CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>414 UNION STREET, SUITE 2000</rptOwnerStreet2>
            <rptOwnerCity>NASHVILLE</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37219</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-05-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1226</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21375</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Award of restricted shares granted pursuant to the Louisiana-Pacific Corporation 2000 Non-Employee Director Restricted Stock
Plan (&quot;Plan&quot;).</footnote>
        <footnote id="F2">Includes 1,461 restricted shares issued on 5/1/2000 pursuant to the Plan that vested on 5/1/05 and 7,914 restricted shares
that were issued on 5/1/2001 (1,600 shares), 5/1/2002 (1,764 shares), 5/1/2003 (2,494 shares), 5/1/04 (830 shares) and
5/1/05 (1,226 shares) that vested on 5/2/2005 upon reporting person's mandatory retirement from the Board of Directors and
pursuant to the terms of the Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Anton C. Kirchhof, Attorney-in-fact for Lee C. Simpson</signatureName>
        <signatureDate>2005-05-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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