Ingrid Bergman is the only actress to have won 3 Oscars (to date, until Meryl Streep wins another one). She won Best Actress for Gaslight (1944) and Anastasia (1956) and Best Supporting Actress for Murder on the Orient Express (1974).
Katharine Hepburn - 4
Cedric Gibbons won eleven Oscars{R} out of his 39 nominations.
Sandra Bullock Won Best Actress Award At The 2010 Oscars, And The 2011 Oscars haven't come up yet.
Katharine Hepburn won a record four Academy Awards -- all for Best Actress -- during her long and distinguished career.
I guess that would be The Piano (1993) which won 3 Oscars: Best Actress, Supporting Actress and Original Screenplay.
Katharine Hepburn won Best Actress Oscars four times. No one else has ever won three Academy Awards in that category.
From 1933 to 1981 Katharine Hepburn won four Oscars for best lead actress.
Clint Eastwood is the male actor with the most Oscars. He won 4 Oscars, none of them for acting. He won 2 Oscars for Best Director and 2 Oscars for Best Picture.Katharine Hepburn is the female actor with the most Oscars. She won 4 Oscars for Best Actress.
Katharine Hepburn won the most competitive Academy Awards -- four. All were in the Best Actress category. Walter Brennan, Ingrid Bergman, Jack Nicholson, Meryl Streep and Daniel Day-Lewis are in second place with three Oscar wins each. Day-Lewis is the only person to win three Best Actor Oscars.
Four Oscars: Best Actress, Supporting Actor, Supporting Actress and Art Direction.
Mo'Nique (Precious)
Katharine Hepburn won four Oscars. No other actress won four Oscars.