# Online Film Critics Society Award for Best Supporting Actor

The Online Film Critics Society Award for Best Supporting Actor is an annual film award given by the Online Film Critics Society to honor the best supporting actor of the year.

## Winners
### 1990s

| Year | Winner | Film | Role |
| 1997 | Burt Reynolds | Boogie Nights | Jack Horner |
| 1997 | Rupert Everett | My Best Friend's Wedding | George Downes |
| 1997 | Anthony Hopkins | Amistad | John Quincy Adams |
| 1998 | Billy Bob Thornton | A Simple Plan | Jacob Mitchell |
| 1998 | Ed Harris | The Truman Show | Christof |
| 1998 | Jason Patric | Your Friends & Neighbors | Cary |
| 1999 | Haley Joel Osment | The Sixth Sense | Cole Sear |
| 1999 | Wes Bentley | American Beauty | Ricky Fitts |
| 1999 | Michael Clarke Duncan | The Green Mile | John Coffey |
| 1999 | John Malkovich | Being John Malkovich | John Horatio Malkovich |
| 1999 | Christopher Plummer | The Insider | Mike Wallace |

### 2000s

| Year | Winner | Film | Role |
| 2000 | Benicio del Toro | Traffic | Javier Rodriguez |
| 2000 | Philip Seymour Hoffman | Almost Famous | Lester Bangs |
| 2000 | Jack Black | High Fidelity | Barry |
| 2000 | Willem Dafoe | Shadow of the Vampire | Max Schreck |
| 2000 | Albert Finney | Erin Brockovich | Edward L. Masry |
| 2000 | Joaquin Phoenix | Gladiator | Commodus |
| 2001 | Steve Buscemi | Ghost World | Seymour |
| 2001 | Ben Kingsley | Sexy Beast | Don Logan |
| 2001 | Jude Law | A.I. Artificial Intelligence | Gigolo Joe |
| 2001 | Ian McKellen | The Lord of the Rings: The Fellowship of the Ring | Gandalf the Grey |
| 2001 | Tony Shalhoub | The Man Who Wasn't There | Freddy Riedenschneider |
| 2002 | Dennis Quaid | Far from Heaven | Frank Whitaker |
| 2002 | Alan Arkin | Thirteen Conversations About One Thing | Gene |
| 2002 | Chris Cooper | Adaptation. | John Laroche |
| 2002 | Paul Newman | Road to Perdition | John Rooney |
| 2002 | Andy Serkis | The Lord of the Rings: The Two Towers | Sméagol/Gollum |
| 2003 | Peter Sarsgaard | Shattered Glass | Chuck Lane |
| 2003 | Sean Astin | The Lord of the Rings: The Return of the King | Samwise Gamgee |
| 2003 | Alec Baldwin | The Cooler | Shelly Kaplow |
| 2003 | Tim Robbins | Mystic River | Dave Boyle |
| 2003 | Andy Serkis | The Lord of the Rings: The Return of the King | Sméagol/Gollum |
| 2004 | Thomas Haden Church | Sideways | Jack Lopate |
| 2004 | David Carradine | Kill Bill: Volume 2 | Bill |
| 2004 | Jamie Foxx | Collateral | Max Durocher |
| 2004 | Clive Owen | Closer | Larry Gray |
| 2004 | Peter Sarsgaard | Kinsey | Clyde Martin |
| 2005 | Mickey Rourke | Sin City | Marv |
| 2005 | Matt Dillon | Crash | Officer John Ryan |
| 2005 | Paul Giamatti | Cinderella Man | Joe Gould |
| 2005 | Jake Gyllenhaal | Brokeback Mountain | Jack Twist |
| 2005 | William Hurt | A History of Violence | Richie Cusack |
| 2006 | Jackie Earle Haley | Little Children | Ronald James McGorvey |
| 2006 | Alan Arkin | Little Miss Sunshine | Edwin Hoover |
| 2006 | Eddie Murphy | Dreamgirls | James "Thunder" Early |
| 2006 | Jack Nicholson | The Departed | Frank Costello |
| 2006 | Mark Wahlberg | The Departed | Sgt. Sean Dignam |
| 2007 | Javier Bardem | No Country for Old Men | Anton Chigurh |
| 2007 | Casey Affleck | The Assassination of Jesse James... | Robert Ford |
| 2007 | Philip Seymour Hoffman | Charlie Wilson's War | Gust Avrakotos |
| 2007 | Hal Holbrook | Into the Wild | Ron Franz |
| 2007 | Tom Wilkinson | Michael Clayton | Arthur Edens |
| 2008 | Heath Ledger posthumously | The Dark Knight | The Joker |
| 2008 | Robert Downey Jr. | Tropic Thunder | Kirk Lazarus |
| 2008 | Philip Seymour Hoffman | Doubt | Father Brendan Flynn |
| 2008 | Eddie Marsan | Happy-Go-Lucky | Scott |
| 2008 | Michael Shannon | Revolutionary Road | John Givings, Jr. |
| 2009 | Christoph Waltz | Inglourious Basterds | Col. Hans Landa |
| 2009 | Peter Capaldi | In the Loop | Malcolm Tucker |
| 2009 | Jackie Earle Haley | Watchmen | Walter Kovacs / Rorschach |
| 2009 | Woody Harrelson | The Messenger | Capt. Tony Stone |
| 2009 | Anthony Mackie | The Hurt Locker | Sergeant J. T. Sanborn |

### 2010s

| Year | Winner | Film | Role |
| 2010 | Christian Bale | The Fighter | Dicky Eklund |
| 2010 | Andrew Garfield | The Social Network | Eduardo Saverin |
| 2010 | John Hawkes | Winter's Bone | Teardrop Dolly |
| 2010 | Mark Ruffalo | The Kids Are All Right | Paul Hatfield |
| 2010 | Geoffrey Rush | The King's Speech | Lionel Logue |
| 2011 | Christopher Plummer | Beginners | Hal Fields |
| 2011 | Albert Brooks | Drive | Bernie Rose |
| 2011 | John Hawkes | Martha Marcy May Marlene | Patrick |
| 2011 | Nick Nolte | Warrior | Paddy Conlon |
| 2011 | Brad Pitt | The Tree of Life | Mr. O'Brien |
| 2012 | Philip Seymour Hoffman | The Master | Lancaster Dodd |
| 2012 | Alan Arkin | Argo | Lester Siegel |
| 2012 | Dwight Henry | Beasts of the Southern Wild | Wink |
| 2012 | Tommy Lee Jones | Lincoln | Thaddeus Stevens |
| 2012 | Christoph Waltz | Django Unchained | Dr. King Schultz |
| 2013 | Michael Fassbender | 12 Years a Slave | Edwin Epps |
| 2013 | Barkhad Abdi | Captain Phillips | Abduwali Muse |
| 2013 | Jared Leto | Dallas Buyers Club | Rayon |
| 2013 | Matthew McConaughey | Mud | Mud |
| 2013 | Sam Rockwell | The Way, Way Back | Owen |
| 2014 | Edward Norton | Birdman | Mike Shiner |
| 2014 | Josh Brolin | Inherent Vice | Lt. Det. Christian "Bigfoot" Bjornsen |
| 2014 | Ethan Hawke | Boyhood | Mason Evans, Sr. |
| 2014 | Mark Ruffalo | Foxcatcher | David Schultz |
| 2014 | J. K. Simmons | Whiplash | Terrence Fletcher |
| 2015 | Oscar Isaac | Ex Machina | Nathan Bateman |
| 2015 | Mark Ruffalo | Spotlight | Michael Rezendes |
| 2015 | Mark Rylance | Bridge of Spies | Rudolf Abel |
| 2015 | Sylvester Stallone | Creed | Rocky Balboa |
| 2015 | Benicio del Toro | Sicario | Alejandro |
| 2016 | Mahershala Ali | Moonlight | Juan |
| 2016 | Tom Bennett | Love & Friendship | Sir James Martin |
| 2016 | Jeff Bridges | Hell or High Water | Marcus Hamilton |
| 2016 | Lucas Hedges | Manchester by the Sea | Patrick Chandler |
| 2016 | Michael Shannon | Nocturnal Animals | Detective Bobby Andes |
| 2017 | Sam Rockwell | Three Billboards Outside Ebbing, Missouri | Officer Jason Dixon |
| 2017 | Armie Hammer | Call Me by Your Name | Oliver |
| 2017 | Richard Jenkins | The Shape of Water | Giles |
| 2017 | Patrick Stewart | Logan | Charles Xavier |
| 2017 | Michael Stuhlbarg | Call Me by Your Name | Mr. Perlman |
| 2018 | Michael B. Jordan | Black Panther | Erik Killmonger |
| 2018 | Adam Driver | BlacKkKlansman | Flip Zimmerman |
| 2018 | Mahershala Ali | Green Book | Dr. Donald Shirley |
| 2018 | Richard E. Grant | Can You Ever Forgive Me? | Jack Hock |
| 2018 | Steven Yeun | Burning | Ben |
| 2019 | Brad Pitt | Once Upon a Time in Hollywood | Cliff Booth |
| 2019 | Al Pacino | The Irishman | Jimmy Hoffa |
| 2019 | Joe Pesci | The Irishman | Russell Bufalino |
| 2019 | Song Kang-ho | Parasite | Kim Ki-taek |
| 2019 | Willem Dafoe | The Lighthouse | Thomas Wake |

### 2020s

| Year | Winner | Film | Role |
| 2020 | Leslie Odom Jr. | One Night in Miami... | Sam Cooke |
| 2020 | Sacha Baron Cohen | The Trial of the Chicago 7 | Abbie Hoffman |
| 2020 | Chadwick Boseman | Da 5 Bloods | "Stormin'" Norman Earl Holloway |
| 2020 | Bill Murray | On the Rocks | Felix Keane |
| 2020 | Paul Raci | Sound of Metal | Joe |
| 2021 | Kodi Smit-McPhee | The Power of the Dog | Peter Gordon |
| 2021 | Mike Faist | West Side Story | Riff |
| 2021 | Ciarán Hinds | Belfast | Pop |
| 2021 | Troy Kotsur | CODA | Frank Rossi |
| 2021 | Jeffrey Wright | The French Dispatch | Roebuck Wright |
| 2022 | Ke Huy Quan | Everything Everywhere All At Once | Waymond Wang |
| 2022 | Barry Keoghan | The Banshees of Inisherin | Dominic Kearney |
| 2022 | Brendan Gleeson | The Banshees of Inisherin | Colm Doherty |
| 2022 | Brian Tyree Henry | Causeway | James |
| 2022 | Paul Dano | The Fabelmans | Burt Fabelman |
| 2023 | Robert Downey Jr. | Oppenheimer | Lewis Strauss |
| 2023 | Robert De Niro | Killers of the Flower Moon | William King Hale |
| 2023 | Ryan Gosling | Barbie | Ken |
| 2023 | Charles Melton | May December | Joe Yoo |
| 2023 | Mark Ruffalo | Poor Things | Duncan Wedderburn |
| 2024 | Kieran Culkin | A Real Pain | Benji Kaplan |
| 2024 | Yura Borisov | Anora | Igor |
| 2024 | Clarence Maclin | Sing Sing | Himself |
| 2024 | Edward Norton | A Complete Unknown | Pete Seeger |
| 2024 | Guy Pearce | The Brutalist | Harrison Lee Van Buren |