C
- Cabaret (1972) - Joel Grey
- The Caine Mutiny (1954) - Tom Tully
- Captain Newman, M.D. (1963) - Bobby Darin
- The Cardinal (1963) - John Huston
- Casablanca (1943) - Claude Rains
- Catch Me If You Can (2002) - Christopher Walken
- Champion (1949) - Arthur Kennedy
- Chariots of Fire (1981) - Ian Holm
- Charlie Wilson's War (2007) - Philip Seymour Hoffman
- Chicago (2002) - John C. Reilly
- The Cider House Rules (1999) - Michael Caine
- Cinderella Man (2005) - Paul Giamatti
- City Slickers (1991) - Jack Palance
- A Civil Action (1998) - Robert Duvall
- Closer (2004) - Clive Owen
- Cocoon (1985) - Don Ameche
- Collateral (2004) - Jamie Foxx
- Come Fill the Cup (1951) - Gig Young
- Come and Get It (1936) - Walter Brennan
- Comes a Horseman (1978) - Richard Farnsworth
- Coming Home (1978) - Bruce Dern
- The Contender (2000) - Jeff Bridges
- Cool Hand Luke (1967) - George Kennedy
- The Cooler (2003) - Alec Baldwin
- The Corn Is Green (1945) - John Dall
- Crash (2005) - Matt Dillon
- Crimes and Misdemeanors (1989) - Martin Landau
- Cross Creek (1983) - Rip Torn
- Crossfire (1947) - Robert Ryan
- Cry Freedom (1987) - Denzel Washington
- The Crying Game (1992) - Jaye Davidson
Read more about this topic: List Of Nominees For The Academy Award For Best Supporting Actor (by Film Title)