1936 Paul Muni- The Story of Louis Pasteur
1967 Rod Steiger- In the Heat of the Night
1977 Richard Dreyfuss- The Goodbye Girl
1979 Dustin Hoffman- Kramer vs. Kramer
1988 Dustin Hoffman- Rain Man
2002 Adrien Brody- The Pianist
1929-30 Norma Shearer- The Divorcee (convert)
1936 Luise Rainer- The Great Ziegfeld
1937 Luise Rainer- The Good Earth
1950 Judy Holliday- Born Yesterday
1968 Barbra Streisand- (tie) Funny Girl
1986 Marlee Matlin- Children of a Lesser God
Chris Cooper.
Art Carney won the Oscar for Best Actor in a Leading Role in 1974.
Colin Firth won the Oscar for Best Actor in a Leading Role in 2010.
James Coburn won the Oscar for Best Actor in a Supporting Role in 1998.
Van Heflin won the Oscar for Best Actor in a Supporting Role in 1942.
Rex Harrison won the Oscar for Best Actor in a Leading Role in 1964.
The only Oscar to win an Oscar was the famed lyricist Oscar Hammerstein II.
Anthony Quinn won the Oscar for Best Supporting Actor twice.Bette Davis won the Oscar for Best Actress twice.Daniel Day-Lewis won the Oscar for Best Actor twice.Dianne Wiest won the Oscar for Best Supporting Actress twice.Dustin Hoffman won the Oscar for Best Actor twice.Elizabeth Taylor won the Oscar for Best Actress twice.Fredric March won the Oscar for Best Actor twice.Gary Cooper won the Oscar for Best Actor twice.Glenda Jackson won the Oscar for Best Actress twice.Hilary Swank won the Oscar for Best Actress twice.Ingrid Bergman won the Oscar for Best Actress twice.Jack Nicholson won the Oscar for Best Actor twice and the Oscar for Best Supporting Actor once.Jane Fonda won the Oscar for Best Actress twice.Jason Robards won the Oscar for Best Supporting Actor twice.Jodie Foster won the Oscar for Best Actress twice.Katharine Hepburn won the Oscar for Best Actress four times.Luise Rainer won the Oscar for Best Actress twice.Many actors and actresses have more than one acting Oscar.Marlon Brando won the Oscar for Best Actor twice.Melvyn Douglas won the Oscar for Best Supporting Actor twice.Michael Caine won the Oscar for Best Supporting Actor twice.Olivia de Havilland won the Oscar for Best Actress twice.Peter Ustinov won the Oscar for Best Supporting Actor twice.Sally Field won the Oscar for Best Actress twice.Sean Penn won the Oscar for Best Actor twice.Shelley Winters won the Oscar for Best Supporting Actress twice.Spencer Tracy won the Oscar for Best Actor twice.Tom Hanks won the Oscar for Best Actor twice.Vivien Leigh won the Oscar for Best Actress twice.Walter Brennan won the Oscar for Best Supporting Actor three times.
Art Carney won the Oscar for Best Actor in a Leading Role in 1974.
Al Pacino won the Oscar for Best Actor in a Leading Role in 1992.
Daniel Day-Lewis won the Oscar for the Best Actor category in 2013.
Anthony Quinn for Viva Zapata.
Colin Firth won the Oscar for Best Actor in a Leading Role in 2010.
James Coburn won the Oscar for Best Actor in a Supporting Role in 1998.
Geoffrey Rush won the Oscar for Best Actor in a Leading Role in 1996.
Ben Kingsley won the Oscar for Best Actor in a Leading Role in 1982.
Martin Landua won Best Supporting Actor for Ed Wood(1994) for his portrayal of Bela Lugosi.
Denzel Washington won the Best Actor award for "Training Day." The Best Supporting Actor award went to Jim Broadbent for "Iris."