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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 TuymF9FMjd6P9lyjEcDxAJowY0WgapHTz0W8X5PcCNLXafIoWrk1ucokK52m1ptM
 XFIUlxWajaYjCzk5TE3t2Q==

<SEC-DOCUMENT>0001239383-09-000026.txt : 20090205
<SEC-HEADER>0001239383-09-000026.hdr.sgml : 20090205
<ACCEPTANCE-DATETIME>20090205164810
ACCESSION NUMBER:		0001239383-09-000026
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20090204
FILED AS OF DATE:		20090205
DATE AS OF CHANGE:		20090205

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TUFANO PAUL J
		CENTRAL INDEX KEY:			0001201520

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06462
		FILM NUMBER:		09573568

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		408 957-8500

	MAIL ADDRESS:	
		STREET 1:		C/O SOLECTRON CORPORATION
		STREET 2:		847 GIBRALTAR DR.
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TERADYNE, INC
		CENTRAL INDEX KEY:			0000097210
		STANDARD INDUSTRIAL CLASSIFICATION:	INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS [3825]
		IRS NUMBER:				042272148
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		600 RIVERPARK DRIVE
		CITY:			NORTH READING
		STATE:			MA
		ZIP:			01864
		BUSINESS PHONE:		978-370-2700

	MAIL ADDRESS:	
		STREET 1:		600 RIVERPARK DRIVE
		CITY:			NORTH READING
		STATE:			MA
		ZIP:			01864

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TERADYNE INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-02-04</periodOfReport>

    <issuer>
        <issuerCik>0000097210</issuerCik>
        <issuerName>TERADYNE, INC</issuerName>
        <issuerTradingSymbol>TER</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001201520</rptOwnerCik>
            <rptOwnerName>TUFANO PAUL J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TERADYNE, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>600 RIVERPARK DRIVE</rptOwnerStreet2>
            <rptOwnerCity>NORTH READING,</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01864</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>2009-02-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>9804</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21620</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2009-02-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>9804</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9804</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Indicates conversion upon vesting of 100% of the time-based Restricted Stock Units (RSU's) granted on February 4, 2008 under the Teradyne, Inc. 2006 Equity &amp; Cash Compensation Incentive Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Eileen Casal, General Counsel, by power of attorney</signatureName>
        <signatureDate>2009-02-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>attach_1.htm
<TEXT>
<HTML><BODY><PRE>Consent







Date:  April 5, 2005







TO WHOM IT MAY CONCERN:



I hereby authorize Teradyne, Inc.'s Chief Financial Officer

General Counsel, Corporate Counsel, Secretary, Assistant

Secretary or Corporate Controller, or any of their respective

Designees to execute and cause to be filed, on my behalf, (i)

Form 144 or any other documents to be filed pursuant to Rule

144 of the Securities Act of 1933 and any regulations

thereunder with respect to securities of Teradyne, Inc. and

(ii) Form 4 and/or Form 5, including amendments thereto or

other document required to be filed pursuant to Section 16(a)

of the Securities and Exchange Act of 1934 and any

regulations thereunder with respect to securities of

Teradyne, Inc.



This authorization shall continue until terminated in writing

by me.





Signature:/s/Paul J. Tufano     Date Signed:  April 5, 2005



Name Printed:  Paul J. Tufano

</PRE></BODY></HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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