The Academy Awards or Oscars are the most influential of the various film awards. they are presented annually by the Academy of Motion Picture Arts And Sciences in the USA. The winning of an Oscar can have a large impact the commercial success of a film. However as will all such awards there is always disagreement over the nominations and the winner. This page lists best picture winners 1940 to 1949.
| Year | Winner of Best Picture | Nominations for Best Picture |
| 1949 | All The Kings Men | |
| 1948 | Hamlet | |
| 1947 | Gentleman's Agreement | |
| 1946 | Best Years Of Our Lives | |
| 1945 | Lost Weekend | |
| 1944 | Going My Way | |
| 1943 | Casablanca | |
| 1942 | Mrs Miniver | |
| 1941 | How Green Was My Valley | |
| 1940 | Rebecca |