Academy awards |
| 1975 year 48th |
| Best motion picture of the year | | Winner |
| Performance by an actor in a leading role | Jack Nicholson | Winner |
| Performance by an actress in a leading role | Louise Fletcher | Winner |
| Best Supporting Actor | Brad Dourif | Nomination |
| Achievement in cinematic direction | Milos Forman | Winner |
| Best Cinematography | Haskell Wexler | Nomination |
| Original Dramatic Score | Jack Nitzsche | Nomination |
| Writing Adapted Screenplay | Bo Goldman | Winner |
| Film Editing | Lynzee Klingman | Nomination |
| Film Editing | Sheldon Kahn | Nomination |
Golden Globe Awards |
| 1975 year 33th |
| Best Motion Picture – Drama | | Winner |
| Best Performance by an Actress in a Motion Picture – Drama | Louise Fletcher | Winner |
| Best Performance by an Actor in a Motion Picture – Drama | Jack Nicholson | Winner |
| Best Director - Motion Picture | Milos Forman | Winner |
| Best Screenplay - Motion Picture | Bo Goldman | Winner |