Two. Spencer Tracy won back-to-back Best Actor awards for 1937 ("Captains Courageous") and 1938 ("Boys Town"). Tom Hanks duplicated the feat with consecutive Best Actor wins for 1993 ("Philadelphia") and 1994 ("Forrest Gump").
2: Best Actor and Best Cinematography.
Two: Best Actor and Best Supporting Actress.
Lawrence Olivier won one Oscar for best actor and two Oscars as Honorary Awards.
Five: Best Picture, Director, Actor, Actress and Screenplay.
Denzel Washington won 2 Oscars, for Best Actor in 2002 for Training Day and for Best Supporting Actor in 1990 for Glory. He received an additional 3 nominations for The Hurricane, Malcolm X, and Cry Freedom for a total of 5 nominations.
2: Best Actor and Best Cinematography.
Two: Best Actor and Best Original Screenplay.
Two: Best Actor and Best Original Screenplay.
Two: Best Actor and Best Supporting Actress.
Lawrence Olivier won one Oscar for best actor and two Oscars as Honorary Awards.
It won four Oscars including: best picture, best actor (Dustin Hoffman), best director (Barry Levinson), and best original screenplay.
One, best supporting actor in The dear hunter.
One. He won Best Actor for Patton (1970).
Two: Best Supporting Actor (Don Ameche) and Visual Effects.
One. He won the 1992 Best Actor award for "Scent of a Woman."
Two: Best Supporting Actor (Christian Bale) and Best Supporting Actress (Melissa Leo).
Two. Both of which he won. Best Supporting Actor for The Usual Suspects. 1995 Best Actor for American Beauty.1999