EXHIBIT 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (No. 33-22877, No. 33-37159, No. 33-57350, No. 33-61085,
No. 333-06859, No. 333-32555, No. 333-62917, No. 333-81787, No. 333-31304, No.
333-37216, No. 333-41688, No. 333-47722, No. 333-54384, No. 333-56776, and No.
333-61682) and Form S-3 (No. 333-44746) of Altera Corporation of our report
dated January 18, 2002 relating to the financial statements, which appears in
this Form 10-K.


/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

San Jose, California

March 5, 2002