<SEC-DOCUMENT>0001094285-25-000093.txt : 20250425
<SEC-HEADER>0001094285-25-000093.hdr.sgml : 20250425
<ACCEPTANCE-DATETIME>20250425132114
ACCESSION NUMBER:		0001094285-25-000093
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250423
FILED AS OF DATE:		20250425
DATE AS OF CHANGE:		20250425

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LORNE SIMON M
		CENTRAL INDEX KEY:			0001191714
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15295
		FILM NUMBER:		25872027

	MAIL ADDRESS:	
		STREET 1:		666 FIFTH AVENUE
		STREET 2:		8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10103

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TELEDYNE TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001094285
		STANDARD INDUSTRIAL CLASSIFICATION:	SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL SYS [3812]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				251843385
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1228

	BUSINESS ADDRESS:	
		STREET 1:		1049 CAMINO DOS RIOS
		CITY:			THOUSAND OAKS
		STATE:			CA
		ZIP:			91360
		BUSINESS PHONE:		805-373-4545

	MAIL ADDRESS:	
		STREET 1:		1049 CAMINO DOS RIOS
		CITY:			THOUSAND OAKS
		STATE:			CA
		ZIP:			91360
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1745601668.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-04-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001191714</rptOwnerCik>
            <rptOwnerName>LORNE SIMON M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1049 CAMINO DOS RIOS</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>THOUSAND OAKS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>91360</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2025-04-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>468</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>68224</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents Restricted Stock Units issued to the Reporting Person under the Administrative Rules of the Amended and Restated Teledyne Technologies Incorporated 2014 Incentive Award Plan Related to Non-Employee Director Restricted Stock Unit Awards and Fees. Each Restricted Stock Unit represents a contingent right to receive one share of Teledyne Common Stock.  Units vest one year from the date of grant.  Shares of common stock will be delivered to the Reporting Person following the vesting date, unless the Reporting Person has made an election to defer delivery of shares until separation from Board service.</footnote>
        <footnote id="F2">In determining the number of units the price of $448.52 was used.</footnote>
        <footnote id="F3">Shares held directly include 3,380 Restricted Stock Units as of April 23, 2025.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Simon M. Lorne by S. Paul Sassalos pursuant to Power of Attorney previously filed with SEC.</signatureName>
        <signatureDate>2025-04-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
