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.
Two: Best Supporting Actor (Don Ameche) and Visual Effects.
One. He won Best Actor for Patton (1970).
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