-----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,
 CXk0FCzU+aBQq0OeMjOb2HfJDLhGkLZedeGE1OlB6dDsJjL0UFVwHa2gD40/AyOM
 VHiFiq9fXuhsNWUgEauUiw==

<SEC-DOCUMENT>0000063814-06-000036.txt : 20060706
<SEC-HEADER>0000063814-06-000036.hdr.sgml : 20060706
<ACCEPTANCE-DATETIME>20060706162150
ACCESSION NUMBER:		0000063814-06-000036
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060705
FILED AS OF DATE:		20060706
DATE AS OF CHANGE:		20060706

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KAISER ALUMINUM CORP
		CENTRAL INDEX KEY:			0000811596
		STANDARD INDUSTRIAL CLASSIFICATION:	PRIMARY PRODUCTION OF ALUMINUM [3334]
		IRS NUMBER:				943030279
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		KAISER ALUMINUM & CHEMICAL CORP
		STREET 2:		5847 SAN FELIPE ST STE 2500
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77057
		BUSINESS PHONE:		7132673777

	MAIL ADDRESS:	
		STREET 1:		KAISER ALUMINUM & CHEMICAL CORP
		STREET 2:		5847 SAN FELIPE ST STE 2500
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77057

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KAISERTECH LTD
		DATE OF NAME CHANGE:	19901122

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MAXXAM INC
		CENTRAL INDEX KEY:			0000063814
		STANDARD INDUSTRIAL CLASSIFICATION:	PRIMARY PRODUCTION OF ALUMINUM [3334]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09447
		FILM NUMBER:		06948296

	BUSINESS ADDRESS:	
		STREET 1:		1330 POST OAK BOULEVARD
		STREET 2:		SUITE 2000
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056-3058
		BUSINESS PHONE:		7139757600

	MAIL ADDRESS:	
		STREET 1:		1330 POST OAK BOULEVARD
		STREET 2:		SUITE 2000
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056-3058

	FORMER NAME:	
		FORMER CONFORMED NAME:	MCO HOLDINGS INC
		DATE OF NAME CHANGE:	19881115

	FORMER NAME:	
		FORMER CONFORMED NAME:	MCCULLOCH OIL CORP
		DATE OF NAME CHANGE:	19800630

	FORMER NAME:	
		FORMER CONFORMED NAME:	MCCULLOCH OIL CORP OF CALIFORNIA
		DATE OF NAME CHANGE:	19691118
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-07-05</periodOfReport>

    <issuer>
        <issuerCik>0000811596</issuerCik>
        <issuerName>KAISER ALUMINUM CORP</issuerName>
        <issuerTradingSymbol>KLUCQ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000063814</rptOwnerCik>
            <rptOwnerName>MAXXAM INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1330 POST OAK BOULEVARD, SUITE 2000</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77056-3058</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-07-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>750000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>.0134</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21311750</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>MAXXAM Inc., Bernard L. Birkel, Secretary</signatureName>
        <signatureDate>2006-07-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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