| Trivia | Actress |
| The only Best Actress Oscar winner who won the Best Actress award at the Cannes film festival twice. | |
| She owes part of her Oscar to Katharine Hepburn, who heavily campaigned for her to reprise her celebrated stage role in the film adaptation. | |
| Since both her parents were deaf, this actress delivered the part of her acceptance speech directed at them in sign language. | |
| Had to tie her Best Actress award with a fellow nominee who didn't attend the ceremony. | |
| This Best Actress winner was, decades later, played by another Best Actress winner in a biopic - earning her a Razzie. | |
| The only Best Actress winner to be nominated for Best Supporting Actress for another film in the same year. | |
| A few years before her Oscar win, this actress guest-starred on the British sit-com 'Extras', claiming that movies about the Holocaust are one of the best ways to win an Oscar. | |
| The first winner of two back-to-back Oscars for Best Actress. | |
| Second (and most recent) Best Actress winner for a performance in a non-English language film. | |
| Only Swedish Best Actress winner. | |
| This Actress won her Oscar on the evening of her 25th birthday. | |
| Co-starred in one of her Best Actress winning performances with her then-husband, who was Oscar-nominated for the same film. | |
| First Best Actress winner whose performance included a nude scene. | |
| Much to the chagrin of fellow nominee Bette Davis, this Best Actress winner, who couldn't attend the ceremony, had her award accepted by Davis' arch-nemesis Joan Crawford. | |
| First actress winner to win an Oscar for Best Actress for playing a real person who was still alive at the time of the ceremony. | |
| Is infamous for delivering the longest acceptance speech in Academy history, which lasted, depending on sources between 5 1/2 and 7 minutes. | |
| In what may be the biggest upset in the history of the Best Actress category, this actress beat the heavily favoured Roz Russell for 'Mourning Becomes Electra'. | |
| The first Best Actress winner to die. | |
| Primarily a stage actress, she won an Oscar for her film debut at age 54. | |
| Among the fellow nominees she had to beat for the Oscar was her own sister. | |
| Holds the Record for most nominations for Best Actress. | |
| Oldest Best Actress winner at the time of the ceremony. | |
| First French Best Actress winner. | |
| Finally won an Oscar for her 8th overall nomination, 32 years after being nominated for the first time. | |
| | Trivia | Actress |
| First woman to win Best Actress for a horror/thriller film. | |
| Most recent Best Actress winner whose co-star won Best Actor for the same film. | |
| Shortest-named Best Actress winner. | |
| The only Best Actress winner who had to beat a fellow nominee from the same film for the Oscar. | |
| Only Best Actress winner with a Best Actress nominee for a mother and an Oscar winner for a father. | |
| First Actress nominated for and winning an Oscar under Martin Scorsese's direction. | |
| Youngest Best Actress winner at the time of ceremony. | |
| 12th (and most recent) actress to win more than one Best Actress Oscar. | |
| Won her Best Actress Oscar for her first Oscar nomination, and returned 39 years later with her second and last career Oscar nomination and win, this time for Supporting Actress. | |
| This Best Actress winner won the award for a performance in a film that was shelved for four years before it was finally released. | |
| Only wife of a later U.S. president to win an Oscar. | |
| Besides being a two-time Oscar winner, this actress is also a Queen of the BAFTAs, with 16 BAFTA nominatons (TV and film), 5 wins and 2 honarary awards from the 1950s to the 2000s. | |
| With one win out of four nominations for Best Actress in the 1990s, she is arguably the Academy's favorite lead actress of the decade. | |
| A few years after her Oscar win, she played another Oscar winner in a biopic - and won a Razzie for the performance. | |
| Only person to win a Best Actress Oscar and a Worst Actress Razzie on the same weekend. | |
| First Best Actress winner for a performance in a non-English language film. | |
| Only Best Actress winner who's also an Oscar winner for screenwriting. | |
| The first ever Oscar winner for Best Actress. | |
| The only actress to win two Best Actress Oscar before the age of 30 in two non-consecutive years. | |
| Only South African Best Actress winner. | |
| Won her Oscar pretty much for playing herself: Her part was written for her, based on her and even named after her by her former boyfriend. | |
| It took this Oscar winner's husband almost three decades to finally match his wife and win his own Best Actor Oscar. | |
| Only Best Actress winner with a Best Actor winner as a father and a Best Actor nominee as a brother. | |
| First Best Actress winner to win for a performance in a musical. | |
| | Trivia | Actress |
| Inbetween her two Best Actress Oscar wins, her husband won an Oscar for Best Actor. | |
| Her Best Actress film also won one of the two screenplay categories, while the other screenplay Oscar was snatched by another film she starred in. | |
| Won two Best Actress Oscars out of five nominations in the category in five consecutive years. | |
| Holds the record for most Oscar wins for acting. | |
| The first Best Actress winner to win for its year's Best Picture winner. | |
| The first time she didn't feel it. But the second time she felt it. And she couldn't deny the fact that they liked her. | |
| Won her Oscar for the shortest-titled film with a Best Actress winning performance. | |
| Most recent Best Actress winner to win for playing a singer and singing herself (rather than just moving her lips to pre-recorded songs). | |
| When she beat Judy Garland's performance in 'A Star is Born', Groucho Marx called it 'the greatest robbery since Brinks'. | |
| Only Australian Best Actress winner. | |
| Currently (as opposed to: at the time of the ceremony) the youngest of all living Best Actress winners. | |
| The first of (to date) two actresses to win an Oscar for playing a murderer convicted to capital punishment in a biographical film . | |
| Only African-American Best Actress winner. | |
| Was directed to her Oscar win by her husband. | |
| Upon her first Best Actress nomination, this later two-time Oscar winner lost against her own sister. | |
| Katharine Hepburn, who lost against this Best Actress winner, called the film she won for 'a soap opera about a shopgirl.' | |
| This Best Actress winner famously forgot her Oscar in the ladies' room minutes after receiving it. | |
| First Italian Best Actress winner. | |
| This actress became an Oscar winner and the first actress to break the $20m salary barrier with the same film. | |
| When this Best Actress winner presented the Best Actor award one year later, she referred to her tearful acceptance speech by saying 'You probably all remember how wimpy I was.' | |
| First Best Actress winner for performance in a talkie. | |
| First woman to win Best Actress for a film produced by her husband. | |
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