-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 E8ohbvEBzog6opYMiKCzODMjhd8VEZowPtDlNTfiiCusSyOFyEq5z0q3OnaLAOqa
 gu0KU+lfOHmW0a11pB2NQw==

<SEC-DOCUMENT>0001209191-06-026370.txt : 20060501
<SEC-HEADER>0001209191-06-026370.hdr.sgml : 20060501
<ACCEPTANCE-DATETIME>20060501153017
ACCESSION NUMBER:		0001209191-06-026370
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060428
FILED AS OF DATE:		20060501
DATE AS OF CHANGE:		20060501

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CAHOUET FRANK V
		CENTRAL INDEX KEY:			0001200576

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15295
		FILM NUMBER:		06794767

	MAIL ADDRESS:	
		STREET 1:		1000 SIX PPG PLACE
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15222-5479

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TELEDYNE TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001094285
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ENGINEERING SERVICES [8711]
		IRS NUMBER:				251843385
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		12333 W OLYMPIC BLVD
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90064
		BUSINESS PHONE:		3108931600

	MAIL ADDRESS:	
		STREET 1:		12333 W OLYMPIC BLVD
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90064
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>bpi20071_bpi1fc.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-04-28</periodOfReport>

    <issuer>
        <issuerCik>0001094285</issuerCik>
        <issuerName>TELEDYNE TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>TDY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001200576</rptOwnerCik>
            <rptOwnerName>CAHOUET FRANK V</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>12333 W. OLYMPIC BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90064</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>2006-04-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>36.90</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19727</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Person is the settlor and a beneficiary under a revocable trust, of which Mellon Bank NA is trustee, Deed of Trust of Frank V. Cahouet dated November 2, 1993, as amended.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Frank Cahouet by Melanie S. Cibik pursuant to Power of Attorney previously filed with SEC</signatureName>
        <signatureDate>2006-05-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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