EXHIBIT 23.1

CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-101983; 333-32547; 333-26045; 33-16077; 33-42352; 33-55123; 33-64683; 333-07177; 333-56373; 333-68074; and 333-73700) and Form S-3 (Nos. 333-75632 and 333-47564) of Teradyne, Inc. of our report dated January 13, 2004, except for Note J as to which the date is February 9, 2004, relating to the financial statements and financial statement schedule, which appears in this Form 10-K.

PricewaterhouseCoopers LLP

Boston, Massachusetts

March 11, 2004