EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Forms S-8 (No. 333-42996) of OmniVision Technologies, Inc. of our report dated June 11, 2002, relating to the consolidated financial statements, which appears in this Form 10-K. We also consent to the incorporation by reference of our report dated June 11, 2002, relating to the financial statement schedule, which appears in this Form 10-K. /s/ PRICEWATERHOUSECOOPERS LLP PricewaterhouseCoopers LLP San Jose, California July 24, 2002 1