El Premio Oscar a la Mejor Película es el más importante de los premios otorgados por la Academia de Artes y Ciencias Cinematográficas de Estados Unidos, ya que honra todos los esfuerzos realizados en la creación de una película. Es el premio final de cada ceremonia de los Premios Oscar.
Listado de Películas Ganadoras del Premio Oscar a la Mejor Película
| Año | Película |
| 2023 | Oppenheimer (Universal Pictures) |
| 2022 | Everything Everywhere All at Once (A24) |
| 2021 | CODA (Apple TV+) |
| 2020 | Nomadland (Searchlight Pictures) |
| 2019 | Parasite (CJ Entertainment) |
| 2018 | Green Book (Universal Pictures) |
| 2017 | The Shape of Water (Fox Searchlight) |
| 2016 | Moonlight (A24) |
| 2015 | Spotlight (Open Road Films) |
| 2014 | Birdman (Fox Searchlight) |
| 2013 | 12 Years a Slave (Fox Searchlight) |
| 2012 | Argo (Warner Brothers) |
| 2011 | The Artist (The Weinstein Co.) |
| 2010 | The King’s Speech (The Weinstein Co.) |
| 2009 | The Hurt Locker (Summit Entertainment) |
| 2008 | Slumdog Millionaire (Fox Searchlight) |
| 2007 | No Country for Old Man (Miramax) |
| 2006 | The Departed (Warner Brothers) |
| 2005 | Crash (Lionsgate) |
| 2004 | Million Dollar Baby (Warner Brothers) |
| 2003 | The Lord of the Rings: The Return of the King (New Line Cinema) |
| 2002 | Chicago (Miramax) |
| 2001 | A Beautiful Mind (DreamWorks, Universal) |
| 2000 | Gladiator (DreamWorks, Universal) |
| 1999 | American Beauty (DreamWorks) |
| 1998 | Shakespeare in Love (Miramx, Universal) |
| 1997 | Titanic (Paramount, 20th Century Fox) |
| 1996 | The English Patient (Miramax) |
| 1995 | Braveheart (Paramount, 20th Century Fox) |
| 1994 | Forrest Gump (Paramount) |
| 1993 | Schindler’s List (Universal) |
| 1992 | Unforgiven (Warner Brothers) |
| 1991 | The Silence of the Lambs (Orion) |
| 1990 | Dances with Wolves (Orion) |
| 1989 | Driving Miss Daisy (Warner Brothers) |
| 1988 | Rain Man (United Artist) |
| 1987 | The Last Emperor (Recorded Picture Company) |
| 1986 | Platoon (Hemdale) |
| 1985 | Out of Africa (Universal) |
| 1984 | Amadeus (Orion) |
| 1983 | Terms of Endearment (Paramount) |
| 1982 | Gandhi (Columbia) |
| 1981 | Chariots of Fire (Enigma Film Productions) |
| 1980 | Ordinary People (Paramount) |
| 1979 | Kramer vs Kramer (Columbia) |
| 1978 | The Deer Hunter (EMI Films, Universal) |
| 1977 | Annie Hall (United Artists) |
| 1976 | Rocky (United Artists) |
| 1975 | One Flew Over the Cuckoo’s Nest (United Artists) |
| 1974 | The Godfather Part 2 (Paramount) |
| 1973 | The Sting (Universal) |
| 1972 | The Godfather (Paramount) |
| 1971 | The French Connection (20th Century Fox) |
| 1970 | Patton (20th Century Fox) |
| 1969 | Midnight Cowboy (United Artists) |
| 1968 | Oliver! (Romulus Films) |
| 1967 | In the Heat of the Night (United Artists) |
| 1966 | A Man for All Seasons (Highland Films) |
| 1965 | The Sound of Music (20th Century Fox) |
| 1964 | My Fair Lady (Warner Brothers) |
| 1963 | Tom Jones (Woodfall Films) |
| 1962 | Lawrence of Arabia (Columbia) |
| 1961 | West Side Story (United Artists) |
| 1960 | The Apartment (The Mirisch Company) |
| 1959 | Ben Hur (MGM) |
| 1958 | Gigi (MGM) |
| 1957 | The Bridge Over the River Kwai (Columbia) |
| 1956 | Around the World in 80 Days (Michael Todd Productions) |
| 1955 | Marty (Steven Productions) |
| 1954 | On the Waterfront (Columbia) |
| 1953 | From Here to Eternity (Columbia) |
| 1952 | The Greatest Show on Earth (Paramount) |
| 1951 | An American in Paris (MGM) |
| 1950 | All About Eve (20th Century Fox) |
| 1949 | All the King’s Men (Columbia) |
| 1948 | Hamlet (Two Cities Films) |
| 1947 | Gentleman’s Agreement (20th Century Fox) |
| 1946 | The Best Years of Our Lives (RKO Radio) |
| 1945 | The Lost Weekend (Paramount) |
| 1944 | Going My Way (Paramount) |
| 1943 | Casablanca (Warner Brothers) |
| 1942 | Mrs Miniver (MGM) |
| 1941 | How Green Was My Valley (20th Century Fox) |
| 1940 | Rebecca (United Artists) |
| 1939 | Gone with the Wind (MGM) |
| 1938 | You Can’t Take It With You (Columbia) |
| 1937 | The Life of Emile Zola (Warner Brothers) |
| 1936 | The Great Ziegfeld (MGM) |
| 1935 | Mutiny on the Bounty (MGM) |
| 1934 | It Happened One Night (Columbia) |
| 1933 | Cavalcade (Fox) |
| 1932 | Grand Hotel (MGM) |
| 1931 | Cimarron (RKO Radio) |
| 1930 | All Quiet on the Western Front (Universal) |
| 1929 | The Broadway Melody (MGM) |
| 1928 | Wings (Paramount) |