Exhibit 23

                      CONSENT OF INDEPENDENT ACCOUNTANTS

    We hereby consent to the incorporation by reference in the Registration
Statements on Form S-3 (Registration No. 333-74874) and Form S-8 (Registration
Nos. 33-22346, 33-24846, 33-49109, 33-60305, 333-27903, 333-62663, 333-79575,
333-91331, 333-32516, 333-36208, 333-36214, 333-37740, 333-39708 and 333-47116)
of Alcoa Inc., of our report dated January 9, 2002 relating to the financial
statements, which appears in the Annual Report to Shareholders, which is
incorporated in this Annual Report on Form 10-K. We also consent to the
incorporation by reference of our report dated January 9, 2002 relating to the
financial statement schedule which appears in this Form 10-K.

                                                   /s/PricewaterhouseCoopers LLP
                                                   PricewaterhouseCoopers LLP

600 Grant Street
Pittsburgh, Pennsylvania
March 4, 2002