    <SEC-DOCUMENT>0001193125-21-076162-index.html : 20210310
    <SEC-HEADER>0001193125-21-076162.hdr.sgml : 20210310
    <ACCEPTANCE-DATETIME>20210310154802
    ACCESSION NUMBER:		0001193125-21-076162
    CONFORMED SUBMISSION TYPE:	PRE 14A
    PUBLIC DOCUMENT COUNT:		8
    CONFORMED PERIOD OF REPORT:	20210507
    FILED AS OF DATE:		20210310
    DATE AS OF CHANGE:		20210310

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		PRE 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-06462
    		FILM NUMBER:		21729596

    	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>PRE 14A
    <SEQUENCE>1
    <FILENAME>d95228dpre14a.htm
    <DESCRIPTION>PRELIMINARY PROXY STATEMENT
    <TEXT>
    Document 1 - file: d95228dpre14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g95228g08x24.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g95228g08x24.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g95228g14d85.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g95228g14d85.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g95228g21p05.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g95228g21p05.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g95228g37y34.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g95228g37y34.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g95228g44k00.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g95228g44k00.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g95228pc1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g95228pc1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g95228pc2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g95228pc2.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>