The Online Film Critics Society Award for Best Actor is an annual film award given by the Online Film Critics Society to honor the best lead actor of the year.
| Year | Winner | Film | Role |
|---|---|---|---|
| 1997 [1] | Jack Nicholson | As Good as It Gets | Melvin Udall |
| Peter Fonda | Ulee's Gold | Ulysses "Ulee" Jackson | |
| Ian Holm | The Sweet Hereafter | Mitchell Stephens | |
| 1998 [2] | Ian McKellen | Gods and Monsters | James Whale |
| Tom Hanks | Saving Private Ryan | Captain John H. Miller | |
| Edward Norton | American History X | Derek Vinyard | |
| 1999 [3] | Kevin Spacey | American Beauty | Lester Burnham |
| Jim Carrey | Man on the Moon | Andy Kaufman | |
| Russell Crowe | The Insider | Jeffrey Wigand | |
| Richard Farnsworth | The Straight Story | Alvin Straight | |
| Edward Norton | Fight Club | The Narrator |