En İyi Kadın Oyuncu Akademi Ödülü
Kazananlar ve aday olanlar > 1940’lar

| Yıl | Oyuncu | Film | Rol | Kay>  |
| --- | --- | --- | --- | --- |
| 1940  (13.)  | Ginger Rogers | Kitty Foyle | Kitty Foyle |  |
| 1940  (13.)  | Bette Davis | The Letter | Leslie Crosbie |  |
| 1940  (13.)  | Joan Fontaine | Rebecca | The Second Mrs. de Winter |  |
| 1940  (13.)  | Katharine Hepburn | The Philadelphia Story | Tracy Lord |  |
| 1940  (13.)  | Martha Scott | Our Town | Emily Webb |  |
| 1941  (14.)  | Joan Fontaine | Suspicion | Lina McLaidlaw Aysgarth |  |
| 1941  (14.)  | Bette Davis | The Little Foxes | Regina Giddens |  |
| 1941  (14.)  | Olivia de Havilland | Hold Back the Dawn | Emmy Brown |  |
| 1941  (14.)  | Greer Garson | Blossoms in the Dust | Edna Gladney |  |
| 1941  (14.)  | Barbara Stanwyck | Ball of Fire | Katherine 'Sugarpuss' O'Shea |  |
| 1942  (15.)  | Greer Garson | Mrs. Miniver | Kay Miniver |  |
| 1942  (15.)  | Bette Davis | Now, Voyager | Charlotte Vale |  |
| 1942  (15.)  | Katharine Hepburn | Woman of the Year | Tess Harding |  |
| 1942  (15.)  | Rosalind Russell | My Sister Eileen | Ruth Sherwood |  |
| 1942  (15.)  | Teresa Wright | The Pride of the Yankees | Eleanor Twitchell Gehrig |  |
| 1943  (16.)  | Jennifer Jones | The Song of Bernadette | Bernadette Soubirous |  |
| 1943  (16.)  | Jean Arthur | The More the Merrier | Constance "Connie" Milligan |  |
| 1943  (16.)  | Ingrid Bergman | Çanlar Kimin İçin Çalıyor | María |  |
| 1943  (16.)  | Joan Fontaine | The Constant Nymph | Tessa Sanger |  |
| 1943  (16.)  | Greer Garson | Madame Curie | Marie Curie |  |
| 1944  (17.)  | Ingrid Bergman | Gaslight | Paula Alquist Anton |  |
| 1944  (17.)  | Claudette Colbert | Since You Went Away | Anne Hilton |  |
| 1944  (17.)  | Bette Davis | Mr. Skeffington |  Fanny Trellis |  |
| 1944  (17.)  | Greer Garson | Mrs. Parkington | Susie 'Sparrow' Parkington |  |
| 1944  (17.)  | Barbara Stanwyck | Double Indemnity | Phyllis Dietrichson |  |
| 1945  (18.)  | Joan Crawford | Mildred Pierce | Mildred Pierce Beragon |  |
| 1945  (18.)  | Ingrid Bergman | The Bells of St. Mary's | Mary Benedict |  |
| 1945  (18.)  | Greer Garson | The Valley of Decision | Mary Rafferty |  |
| 1945  (18.)  | Jennifer Jones | Love Letters | Singleton |  |
| 1945  (18.)  | Gene Tierney | Leave Her to Heaven | Ellen Berent Harland |  |
| 1946  (19.)  | Olivia de Havilland | To Each His Own | Josephine 'Jody' Norris |  |
| 1946  (19.)  | Celia Johnson | Brief Encounter | Laura Jesson |  |
| 1946  (19.)  | Jennifer Jones | Duel in the Sun | Pearl Chavez |  |
| 1946  (19.)  | Rosalind Russell | Sister Kenny | Elizabeth Kenny |  |
| 1946  (19.)  | Jane Wyman | The Yearling | Orry Baxter |  |
| 1947  (20.)  | Loretta Young | The Farmer's Daughter | Katie Holstrom |  |
| 1947  (20.)  | Joan Crawford | Possessed | Louise Howell |  |
| 1947  (20.)  | Susan Hayward | Smash-Up, the Story of a Woman | Angelica Evans Conway |  |
| 1947  (20.)  | Dorothy McGuire | Centilmenlik Anlaşması | Kathy Lacy |  |
| 1947  (20.)  | Rosalind Russell | Mourning Becomes Electra | Lavinia Mannon |  |
| 1948  (21.)  | Jane Wyman | Johnny Belinda | Belinda McDonald |  |
| 1948  (21.)  | Ingrid Bergman | Joan of Arc | Joan of Arc |  |
| 1948  (21.)  | Olivia de Havilland | The Snake Pit | Virginia Stuart Cunningham |  |
| 1948  (21.)  | Irene Dunne | I Remember Mama | Martha Hanson |  |
| 1948  (21.)  | Barbara Stanwyck | Sorry, Wrong Number | Leona Stevenson |  |
| 1949  (22.)  | Olivia de Havilland | Miras | Catherine Sloper |  |
| 1949  (22.)  | Jeanne Crain | Pinky | Patricia 'Pinky' Johnson |  |
| 1949  (22.)  | Susan Hayward | My Foolish Heart | Eloise Winters |  |
| 1949  (22.)  | Deborah Kerr | Edward, My Son | Evelyn Boult |  |
| 1949  (22.)  | Loretta Young | Come to the Stable | Margaret |  |