-----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,
 VWJoCpLnY1YIWmn5nfCC0C2Z2vpjIqVVtsrOOOPl8wcRuSJxd7RlrsJNCgkEA9g1
 ja4t30MdPiyd7ycm0CpvxQ==

<SEC-DOCUMENT>0001209191-06-019006.txt : 20060321
<SEC-HEADER>0001209191-06-019006.hdr.sgml : 20060321
<ACCEPTANCE-DATETIME>20060321092109
ACCESSION NUMBER:		0001209191-06-019006
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060317
FILED AS OF DATE:		20060321
DATE AS OF CHANGE:		20060321

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Takeuchi Mitsunobu
		CENTRAL INDEX KEY:			0001297899

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12387
		FILM NUMBER:		06700090

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		248372-8302

	MAIL ADDRESS:	
		STREET 1:		24777 DENSO DRIVE
		CITY:			SOUTHFIELD
		STATE:			MI
		ZIP:			48086-5047

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TENNECO INC
		CENTRAL INDEX KEY:			0001024725
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				760515284
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		500 NORTH FIELD DRIVE
		CITY:			LAKE FOREST
		STATE:			IL
		ZIP:			60045
		BUSINESS PHONE:		847-482-50

	MAIL ADDRESS:	
		STREET 1:		500 N FIELD DR
		STREET 2:		ROOM T 2560B
		CITY:			LAKE FOREST
		STATE:			IL
		ZIP:			60045

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TENNECO AUTOMOTIVE INC
		DATE OF NAME CHANGE:	19991112

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NEW TENNECO INC
		DATE OF NAME CHANGE:	19961011
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>boc03596_boc1mt.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-03-17</periodOfReport>

    <issuer>
        <issuerCik>0001024725</issuerCik>
        <issuerName>TENNECO INC</issuerName>
        <issuerTradingSymbol>TEN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001297899</rptOwnerCik>
            <rptOwnerName>Takeuchi Mitsunobu</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>500 NORTH FIELD DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LAKE FOREST</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60045</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>2006-03-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>21.60</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Reflects restricted stock, vesting on the first anniversary of the grant date, granted to the Reporting Person pursuant to Section 16b-3.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Timothy R. Donovan, Attorney-in-fact for Mitsunobu Takeuchi</signatureName>
        <signatureDate>2006-03-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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