* Best Supporting Actor (Good Will Hunting, 1997)
Golden Globe Awards
* Best Actor – Motion Picture Musical or Comedy (The Fisher King, 1991)
* Best Supporting Actor – Motion Picture (Good Will Hunting, 1997)
BAFTA Awards
* Best Supporting Actor (Good Will Hunting, 1997)
Screen Actors Guild Awards
* Outstanding Performance by a Cast in a Motion Picture (Good Will Hunting, 1997)
* Outstanding Performance by a Male Actor in a Supporting Role (Good Will Hunting, 1997)
Grammy Awards
* Best Spoken Word Album (Robin Williams: Live at the Met, 2004)
Primetime Emmy Awards
* Outstanding Guest Actor in a Drama Series (The Larry Sanders Show, 1998)
* Outstanding Guest Actor in a Miniseries or Movie (Mrs. Doubtfire, 1993)
American Comedy Awards
* Funniest Actor in a Motion Picture (Good Morning, Vietnam, 1988)
People's Choice Awards
* Favorite Male Movie Star (1993, 1997)
MTV Movie Awards
* Best Comedic Performance (Aladdin, 1992)
* Best Kiss (Aladdin, 1992)
Saturn Awards
* Best Actor (One Hour Photo, 2002)
British Comedy Awards
* Best Male Comedy Actor (Mrs. Doubtfire, 1993)
Satellite Awards
* Best Actor – Motion Picture Musical or Comedy (The Birdcage, 1996)
Tony Awards
* Tony Award for Best Featured Actor in a Play (Waiting for Godot, 1988)
Golden Apple Awards
* Sour Apple (Mork & Mindy, 1979)
Razzie Awards
* Worst Supporting Actor (Death to Smoochy, 2002)