The San Francisco Film Critics Circle Award for Best Actor is one of the awards given by the San Francisco Film Critics Circle to honor the finest achievements in filmmaking.
| Year | Winner | Film | Role |
|---|---|---|---|
| 2002 | Michael Caine | The Quiet American | Thomas Fowler |
| 2003 | Bill Murray | Lost in Translation | Bob Harris |
| 2004 | Paul Giamatti | Sideways | Miles Raymond |
| 2005 | Heath Ledger | Brokeback Mountain | Ennis del Mar |
| 2006 | Sacha Baron Cohen | Borat: Cultural Learnings of America... | Borat Sagdiyev |
| 2007 | George Clooney | Michael Clayton | Michael Clayton |
| 2008 | Sean Penn | Milk | Harvey Milk |
| Mickey Rourke | The Wrestler | Randy Robinson | |
| 2009 | Colin Firth | A Single Man | George Falconer |
| Year | Winner | Film | Role |
|---|---|---|---|
| 2010 | Colin Firth | The King's Speech | King George VI |
| 2011 | Gary Oldman | Tinker Tailor Soldier Spy | George Smiley |
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