Academy Award untuk Aktris Terbaik
The Academy Award for Best Actress (Aktris Terbaik Oscar) adalah salah satu penghargaan yang diberikan oleh Academy of Motion Picture Arts and Sciences kepada orang-orang yang bekerja dalam industri film.
1920-an
- 1928 Janet Gaynor - Seventh Heaven, Street Angel dan Sunrise
- 1929 Mary Pickford - Coquette
1930-an
- 1930 Norma Shearer - The Divorcee
- 1931 Marie Dressler - Min and Bill
- 1935 Bette Davis - Dangerous
- 1936 Luise Rainer - The Great Ziegfeld
- 1937 Luise Rainer - The Good Earth
- 1938 Bette Davis - Jezebel
- 1939 Vivien Leigh - Gone with the Wind
1940-an
- 1940 Ginger Rogers - Kitty Foyle
- 1941 Joan Fontaine - Suspicion
- 1942 Greer Garson - Mrs. Miniver
- 1944 Ingrid Bergman - Gaslight
- 1948 Jane Wyman - Johnny Belinda
- 1949 Olivia de Havilland - The Heiress
1950-an
- 1950 Judy Holliday - Born Yesterday
- 1953 Audrey Hepburn - Roman Holiday
- 1954 Grace Kelly - The Country Girl
- 1955 Anna Magnani - The Rose Tattoo
- 1956 Ingrid Bergman - Anastasia
- 1958 Susan Hayward - I Want to Live!
- 1959 Simone Signoret - Room at the Top
1960-an
- 1960 Dame Elizabeth Taylor - Butterfield 8
- 1961 Sophia Loren - Two Women
- 1962 Anne Bancroft - The Miracle Worker
- 1963 Patricia Neal - Hud
- 1964 Julie Andrews - Mary Poppins
- 1965 Julie Christie - Darling
- 1968 Katharine Hepburn - The Lion in Winter dan Barbra Streisand - Funny Girl
1970-an
- 1970 Glenda Jackson - Women in Love
- 1971 Jane Fonda - Klute
- 1972 Liza Minnelli - Cabaret
- 1973 Glenda Jackson - A Touch of Class
- 1976 Faye Dunaway - Network
- 1977 Diane Keaton - Annie Hall
- 1978 Jane Fonda - Coming Home
- 1979 Sally Field - Norma Rae
1980-an
- 1981 Katharine Hepburn - On Golden Pond
- 1982 Meryl Streep - Sophie's Choice
- 1984 Sally Field - Places in the Heart
- 1987 Cher - Moonstruck
- 1988 Jodie Foster - The Accused
- 1989 Jessica Tandy - Driving Miss Daisy
1990-an
- 1990 Kathy Bates - Misery
- 1992 Emma Thompson - Howards End
- 1993 Holly Hunter - The Piano
- 1994 Jessica Lange - Blue Sky
- 1995 Susan Sarandon - Dead Man Walking
- 1996 Frances McDormand - Fargo
- 1997 Helen Hunt - As Good as It Gets
- 1999 Hilary Swank - Boys Don't Cry
2000-an
- 2000 Julia Roberts - Erin Brockovich
- 2001 Halle Berry - Monster's Ball
- 2002 Nicole Kidman - The Hours
- 2003 Charlize Theron - Monster
- 2004 Hilary Swank - Million Dollar Baby
- 2005 Reese Witherspoon - Walk the Line
- 2006 Helen Mirren - The Queen
- 2007 Marion Cotillard - La Vie en Rose
- 2008 Kate Winslet – The Reader
- 2009 Sandra Bullock – The Blind Side
2010-an
| Tahun | Aktris | Film | Karakter |
|---|---|---|---|
| 2010 (ke-83) | |||
| Natalie Portman | Black Swan | Nina Sayers | |
| Annette Bening | The Kids Are All Right | Dr. Nicole "Nic" Allgood | |
| Nicole Kidman | Rabbit Hole | Becca Corbett | |
| Jennifer Lawrence | Winter's Bone | Ree Dolly | |
| Michelle Williams | Blue Valentine | Cindy Heller | |
| 2011 (ke-84) | |||
| Meryl Streep | The Iron Lady | Margaret Thatcher | |
| Glenn Close | Albert Nobbs | Albert Nobbs | |
| Viola Davis | The Help | Aibileen Clark | |
| Rooney Mara | The Girl with the Dragon Tattoo | Lisbeth Salander | |
| Michelle Williams | My Week with Marilyn | Marilyn Monroe | |
| 2012 (ke-85) | |||
| Jennifer Lawrence | Silver Linings Playbook | Tiffany Maxwell | |
| Jessica Chastain | Zero Dark Thirty | Maya | |
| Emmanuelle Riva | Amour | Anne Laurent | |
| Quvenzhané Wallis | Beasts of the Southern Wild | Hushpuppy | |
| Naomi Watts | The Impossible | Maria Bennett |