En İyi Uyarlama Senaryo Akademi Ödülü
Kazananlar ve adaylar > 1940'lar

| Yıl | Film | Senarist |
| --- | --- | --- |

1940 (13th): 
| 1940 (13th) | The Philadelphia Story | Donald Ogden Stewart |
| 1940 (13th) | The Grapes of Wrath | Nunnally Johnson |
| 1940 (13th) | Kitty Foyle: The Natural History of a Woman | Dalton Trumbo |
| 1940 (13th) | The Long Voyage Home | Dudley Nichols |
| 1940 (13th) | Rebecca | Robert E. Sherwood Joan Harrison |
1941 (14th): 
| 1941 (14th) | Here Comes Mr. Jordan | Sidney Buchman Seton I. Miller |
| 1941 (14th) | Hold Back the Dawn | Charles Brackett Billy Wilder |
| 1941 (14th) | How Green Was My Valley | Philip Dunne |
| 1941 (14th) | The Little Foxes | Lillian Hellman |
| 1941 (14th) | The Maltese Falcon | John Huston |
1942 (15th): 
| 1942 (15th) | Mrs. Miniver | George Froeschel James Hilton Claudine West Arthur Wimperis |
| 1942 (15th) | 49th Parallel | Rodney Ackland Emeric Pressburger |
| 1942 (15th) | The Pride of the Yankees | Herman J. Mankiewicz Jo Swerling |
| 1942 (15th) | Random Harvest | George Froeschel Claudine West Arthur Wimperis |
| 1942 (15th) | The Talk of the Town | Sidney Buchman Irwin Shaw |
1943 (16th): 
| 1943 (16th) | Casablanca | Philip G. Epstein Julius J. Epstein Howard Koch |
| 1943 (16th) | Holy Matrimony | Nunnally Johnson |
| 1943 (16th) | The More the Merrier | Richard Flournoy Lewis R. Foster Frank Ross Robert Russell |
| 1943 (16th) | The Song of Bernadette | George Seaton |
| 1943 (16th) | Watch on the Rhine | Dashiell Hammett |
1944 (17th): 
| 1944 (17th) | Going My Way | Frank Butler Frank Cavett |
| 1944 (17th) | Double Indemnity | Billy Wilder Raymond Chandler |
| 1944 (17th) | Gaslight | John Van Druten Walter Reisch John L. Balderston |
| 1944 (17th) | Laura | Jay Dratler Samuel Hoffenstein Betty Reinhardt |
| 1944 (17th) | Meet Me in St. Louis | Irving Brecher Fred F. Finklehoffe |
1945 (18th): 
| 1945 (18th) | The Lost Weekend | Charles Brackett Billy Wilder |
| 1945 (18th) | Mildred Pierce | Ranald MacDougall |
| 1945 (18th) | Pride of the Marines | Albert Maltz |
| 1945 (18th) | Story of G.I. Joe | Leopold Atlas Guy Endore Philip Stevenson |
| 1945 (18th) | A Tree Grows in Brooklyn | Frank Davis Tess Slesinger |
1946 (19th): 
| 1946 (19th) | The Best Years of Our Lives | Robert Sherwood |
| 1946 (19th) | Anna and the King of Siam | Sally Benson Talbot Jennings |
| 1946 (19th) | Brief Encounter | Anthony Havelock-Allan David Lean Ronald Neame |
| 1946 (19th) | The Killers | Anthony Veiller |
| 1946 (19th) | Rome, Open City | Sergio Amidei Federico Fellini |
1947 (20th): 
| 1947 (20th) | Miracle on 34th Street | George Seaton |
| 1947 (20th) | Boomerang | Sally Benson Talbot Jennings |
| 1947 (20th) | Crossfire | John Paxton |
| 1947 (20th) | Gentleman's Agreement | Moss Hart |
| 1947 (20th) | Great Expectations | David Lean Ronald Neame Anthony Havelock-Allan |
1948 (21st): 
| 1948 (21st) | The Treasure of the Sierra Madre | John Huston |
| 1948 (21st) | A Foreign Affair | Charles Brackett Billy Wilder Richard L. Breen |
| 1948 (21st) | Johnny Belinda | Irma von Cube Allen Vincent |
| 1948 (21st) | The Search | Richard Schweizer David Wechsler |
| 1948 (21st) | The Snake Pit | Frank Partos Millen Brand |
1949 (22nd): 
| 1949 (22nd) | A Letter to Three Wives | Joseph L. Mankiewicz |
| 1949 (22nd) | All the King's Men | Robert Rossen |
| 1949 (22nd) | The Bicycle Thief | Cesare Zavattini |
| 1949 (22nd) | Champion | Carl Foreman |
| 1949 (22nd) | The Fallen Idol | Graham Greene |