| The Novelizers with Andy Richter | 2023 | | TV Show |
| Batgirl | 2022 | Commissioner Gordon | Movie |
| Marmaduke | 2022 | Zeus (voice) | Movie |
| Chip 'n Dale: Rescue Rangers | 2022 | Captain Putty (voice) | Movie |
| Night Sky | 2022 | Franklin | TV Show |
| Glorious | 2022 | Ghat | Movie |
| Aperture Desk Job | 2022 | Cave Johnson (voice) | Unknown |
| Ghostbusters: Afterlife | 2021 | Ivo Shandor | Movie |
| Being the Ricardos | 2021 | William Frawley | Movie |
| Invincible | 2021 | Nolan Grayson / Omni-Man | TV Show |
| The Great North | 2021 | Tusk Johnson | TV Show |
| Venom: Let There Be Carnage | 2021 | J. Jonah Jameson (uncredited) | Movie |
| The Tomorrow War | 2021 | James Forester | Movie |
| Seal Team | 2021 | Claggart (voice) | Movie |
| Spider-Man: No Way Home | 2021 | J. Jonah Jameson | Movie |
| Zack Snyder's Justice League | 2021 | Commissioner Gordon | Movie |
| Ride the Eagle | 2021 | Carl | Movie |
| National Champions | 2021 | Coach James Lazor | Movie |
| The Stand | 2020 | General William Starkey | TV Show |
| Defending Jacob | 2020 | Billy Barber | TV Show |
| Palm Springs | 2020 | Roy | Movie |
| Home Movie: The Princess Bride | 2020 | The Grandfather | TV Show |
| 3 Days with Dad | 2019 | Joey | Movie |
| Spider-Man: Far from Home | 2019 | J. Jonah Jameson (as J. K. Simmons) | Movie |
| Klaus | 2019 | Klaus (voice) | Movie |
| 21 Bridges | 2019 | Captain McKenna | Movie |
| Infinity Train | 2019 | Pig Toddler / Pig Baby | TV Show |
| The Daily Bugle | 2019 | J. Jonah Jameson | TV Show |
| A Boy Called Sailboat | 2018 | Ernest | Movie |
| The Boxcar Children: Surprise Island | 2018 | Dr. Moore (voice) | Movie |
| The Front Runner | 2018 | Bill Dixon | Movie |
| Farmers Insurance: Vengeful Vermin | 2018 | Professor Burke | TV Movie |
| Justice League | 2017 | Commissioner Gordon | Movie |
| The Snowman | 2017 | Arve Støp | Movie |
| Father Figures | 2017 | Roland Hunt | Movie |
| American Renegades | 2017 | Rear Admiral Levin | Movie |
| All Nighter | 2017 | Frank Gallo | Movie |
| Counterpart | 2017 | Howard Silk | TV Show |
| The Bachelors | 2017 | Bill Palet | Movie |
| I'm Not Here | 2017 | Steve | Movie |
| Brockmire | 2017 | Matt Hardesty | TV Show |
| The Black Ghiandola | 2017 | Ralph Aceto | Short Film |
| No Activity | 2017 | Leo | TV Show |
| The Late Bloomer | 2016 | James Newmans | Movie |
| Kung Fu Panda 3 | 2016 | Kai (voice) | Movie |
| Rock Dog | 2016 | Khampa (voice) | Movie |
| The Accountant | 2016 | Ray King | Movie |
| Zootopia | 2016 | Mayor Lionheart (voice) | Movie |
| La La Land | 2016 | Bill | Movie |
| Punching Henry | 2016 | Jay Warren | Movie |
| Patriots Day | 2016 | Sergeant Jeffrey Pugliese | Movie |
| Goliath | 2016 | George Zax | TV Show |
| Terminator Genisys | 2015 | O'Brien | Movie |
| April and the Extraordinary World | 2015 | Rodrigue (English version, voice) | Movie |
| Worlds Apart | 2015 | Sebastian | Movie |
| The Meddler | 2015 | Zipper | Movie |
| What Lives Inside | 2015 | Benjamin 'Pops' Delaney | TV Show |
| Lego Dimensions | 2015 | Cave Johnson (voice) | Unknown |
| Between Two Urns: J.K. Simmons | 2015 | J.K. | Short Film |
| The Jay Z Story | 2015 | Nas | Short Film |
| Barefoot | 2014 | Dr. Bertleman | Movie |
| Murder of a Cat | 2014 | Sheriff Frank Hoyle | Movie |
| Growing Up Fisher | 2014 | Mel Fisher | TV Show |
| The Rewrite | 2014 | Dr. Hal Lerner | Movie |
| Men, Women & Children | 2014 | Allison's Dad | Movie |
| Break Point | 2014 | Jack | Movie |
| Whiplash | 2014 | Fletcher | Movie |
| Chozen | 2014 | | TV Show |
| The Boxcar Children | 2014 | Dr. Moore (voice) | Movie |
| BoJack Horseman | 2014 | Lenny Turtletaub / Preacher | TV Show |
| The Legend of Korra | 2014 | Tenzin (voice) | Unknown |
| Ava & Lala | 2014 | General Tiger (voice) | Movie |
| Major Lazer | 2014 | President Whitewall | TV Show |
| 3 Geezers! | 2013 | J Kimball | Movie |
| Labor Day | 2013 | Mr. Jervis | Movie |
| Jobs | 2013 | Arthur Rock | Movie |
| Dark Skies | 2013 | Edwin Pollard | Movie |
| Family Tools | 2013 | Tony Shea | TV Show |
| Brooklyn Nine-Nine | 2013 | Frank Dillman | TV Show |
| Hulk and the Agents of S.M.A.S.H. | 2013 | J. Jonah Jameson / Vampire Jameson / J. Jonah Jamesasaurus | TV Show |
| Avengers Assemble | 2013 | J. Jonah Jameson | TV Show |
| The Heeler | 2013 | Roscoe | Short Film |
| Dota 2 | 2013 | Cave Johnson Announcer (voice) | Unknown |
| The Magic Bracelet | 2013 | The Shaman | Short Film |
| Whiplash | 2013 | Fletcher | Short Film |
| Lego Marvel Super Heroes: Maximum Overload | 2013 | J. Jonah Jameson (voice) | TV Show |
| The Legend of Korra: The Re-telling of Korra's Journey | 2013 | Tenzin - Narrator (voice, uncredited) | TV Show |
| Saturday Night Live: Cut For Time | 2013 | Grandpa | TV Show |
| Contraband | 2012 | Captain Camp | Movie |
| Ultimate Spider-Man | 2012 | J. Jonah Jameson / J. Jonah Jameson Noir / J. Jonah Jackal / ... | TV Show |
| The Legend of Korra | 2012 | Tenzin / Additional Voices | TV Show |
| The Words | 2012 | Mr. Jansen | Movie |
| Gravity Falls | 2012 | Ford Pines | TV Show |
| Best Friends Forever | 2012 | Don | TV Show |
| Men at Work | 2012 | P.J. Jordan | TV Show |
| Cops Uncuffed | 2012 | Lieutenant Bob Bukowski | TV Movie |
| The Good Doctor | 2011 | Detective Krauss | Movie |
| Young Adult | 2011 | Mavis's Publisher (voice, uncredited) | Movie |
| The Music Never Stopped | 2011 | Henry Sawyer | Movie |
| Portal 2 | 2011 | Cave Johnson (voice) | Unknown |
| Fanboy | 2011 | J.K. / Frank Perry | Short Film |
| NTSF:SD:SUV | 2011 | Frank Forrest | TV Show |
| Blackstone | 2011 | Detective Burke | Short Film |
| Generator Rex: Agent of Providence | 2011 | White Knight (voice) | Unknown |
| Megamind | 2010 | Warden (voice) | Movie |
| Crazy on the Outside | 2010 | Ed | Movie |
| An Invisible Sign | 2010 | Mr. Jones | Movie |
| Cats & Dogs: The Revenge of Kitty Galore | 2010 | Gruff K-9 (voice) | Movie |
| True Grit | 2010 | J. Noble Daggett (voice, uncredited) | Movie |
| Raising Hope | 2010 | Bruce Chance | TV Show |
| A Beginner's Guide to Endings | 2010 | Uncle Pal (as JK Simmons) | Movie |
| Generator Rex | 2010 | White Knight / Cured Evo / Waiter | TV Show |
| The Avengers: Earth's Mightiest Heroes | 2010 | J. Jonah Jameson | TV Show |
| Ben 10: Ultimate Alien | 2010 | Magister Gilhil / Plumber | TV Show |
| Pound Puppies | 2010 | Mr. Withers / Lt. Rock | TV Show |
| New in Town | 2009 | Stu Kopenhafer | Movie |
| I Love You, Man | 2009 | Oswald Klaven | Movie |
| Jennifer's Body | 2009 | Mr. Wroblewski | Movie |
| Post Grad | 2009 | Roy Davies (as JK Simmons) | Movie |
| Red Sands | 2009 | Lt. Col. Arson | Movie |
| The Vicious Kind | 2009 | Donald Sinclaire | Movie |
| The Way of War | 2009 | Sergeant Mitchell | Movie |
| Aliens in the Attic | 2009 | Skip (voice) | Movie |
| Party Down | 2009 | Leonard Stiltskin | TV Show |
| Up in the Air | 2009 | Bob | Movie |
| Extract | 2009 | Brian | Movie |
| Parks and Recreation | 2009 | Mayor Stice | TV Show |
| Archer | 2009 | Detective | TV Show |
| Jewno | 2009 | Father | Short Film |
| Burn After Reading | 2008 | CIA Superior (as JK Simmons) | Movie |
| The Life & Times of Tim | 2008 | O'Flaherty Sr. | TV Show |
| Ben 10: Alien Force | 2008 | Magister Gilhil | TV Show |
| The Marvelous Misadventures of Flapjack | 2008 | Poseidon / Merman #2 / Pirate / ... | TV Show |
| Command & Conquer: Red Alert 3 | 2008 | President Howard T. Ackerman (as JK Simmons) | Unknown |
| Batman: The Brave and the Bold | 2008 | Guardian / Evil Star | TV Show |
| Juno | 2007 | Mac MacGuff | Movie |
| Postal | 2007 | Candidate Welles | Movie |
| Rendition | 2007 | Lee Mayer | Movie |
| Spider-Man 3 | 2007 | J. Jonah Jameson | Movie |
| Bury My Heart at Wounded Knee | 2007 | James McLaughlin | TV Movie |
| Phineas and Ferb | 2007 | Napoleon / Additional Voices / J.B. | TV Show |
| Spider-Man 3 | 2007 | J. Jonah Jameson (voice) | Unknown |
| First Snow | 2006 | Vacaro | Movie |
| The Astronaut Farmer | 2006 | Jacobson | Movie |
| Harsh Times | 2005 | Agent Richards | Movie |
| Thank You for Smoking | 2005 | BR | Movie |
| American Dad! | 2005 | Gene / Dean of CIA Academy / Jed Farnsworth / ... | TV Show |
| Numb3rs | 2005 | Dr. Clarence Weaver | TV Show |
| The Closer | 2005 | Will Pope | TV Show |
| Hidalgo | 2004 | Buffalo Bill Cody | Movie |
| Spider-Man 2 | 2004 | J. Jonah Jameson | Movie |
| The Ladykillers | 2004 | Garth Pancake | Movie |
| 3: The Dale Earnhardt Story | 2004 | Ralph Earnhardt | TV Movie |
| Jack & Bobby | 2004 | Cyrus Miller | TV Show |
| The D.A. | 2004 | Dep. Dist. Atty. Joe Carter | TV Show |
| The Jury | 2004 | Ron Stalsukilis | TV Show |
| Veronica Mars | 2004 | Clyde Pickett | TV Show |
| The Floor | 2004 | | Short Film |
| Justice League Unlimited | 2004 | General Wade Eiling / German Agent / Bystander / ... | TV Show |
| Off the Map | 2003 | George | Movie |
| Arrested Development | 2003 | General Anderson | TV Show |
| Nip/Tuck | 2003 | Ike Connors | TV Show |
| Queens Supreme | 2003 | Ernest Fingerman | TV Show |
| The Venture Bros. | 2003 | Ben (Old Man Potter) | TV Show |
| Disposal | 2003 | Older Hunter | Short Film |
| Spider-Man | 2002 | J. Jonah Jameson | Movie |
| Homeward Bound | 2002 | Jim Ashton | TV Movie |
| Path to War | 2002 | CIA Briefer | TV Movie |
| Everwood | 2002 | Phil Drebbles | TV Show |
| John Doe | 2002 | Lucas Doya | TV Show |
| Kim Possible | 2002 | Martin Smarty | TV Show |
| Without a Trace | 2002 | Mark Wilson | TV Show |
| The Mexican | 2001 | Ted Slocum | Movie |
| Law & Order: Criminal Intent | 2001 | Dr. Emil Skoda | TV Show |
| Robot Chicken | 2001 | Master Chief / J. Jonah Jameson / Traveller / ... | TV Show |
| Autumn in New York | 2000 | Dr. Tom Grandy | Movie |
| Beautiful Joe | 2000 | | Movie |
| The Gift | 2000 | Sheriff Pearl Johnson | Movie |
| M&M's: The Lost Formulas | 2000 | Yellow Peanut | Unknown |
| For Love of the Game | 1999 | Frank Perry (as JK Simmons) | Movie |
| Hit and Runway | 1999 | Ray Tilman | Movie |
| The Cider House Rules | 1999 | Ray Kendall | Movie |
| Law & Order: Special Victims Unit | 1999 | Dr. Emil Skoda | TV Show |
| SpongeBob SquarePants | 1999 | Conductor Maestro Mackerel | TV Show |
| The West Wing | 1999 | Harry Ravitch | TV Show |
| Third Watch | 1999 | Frank Hagedorn | TV Show |
| I Lost My M in Vegas | 1999 | Yellow (voice) | Short Film |
| Celebrity | 1998 | Souvenir Hawker | Movie |
| Above Freezing | 1998 | Hoyd | Movie |
| Anastasia | 1997 | Ensemble and Character Vocals (voice) | Movie |
| Love Walked In | 1997 | Mr. Shulman | Movie |
| The Jackal | 1997 | Witherspoon | Movie |
| Face Down | 1997 | Herb Aames | TV Movie |
| Oz | 1997 | Vern Schillinger | TV Show |
| Crossing Fields | 1997 | Guy | Movie |
| Extreme Measures | 1996 | Dr. Mingus | Movie |
| The First Wives Club | 1996 | Federal Marshal | Movie |
| Remember WENN | 1996 | Captain Amazon | TV Show |
| Spin City | 1996 | Kevin | TV Show |
| Swift Justice | 1996 | Mel Turman | TV Show |
| Terms of Employment | 1996 | J. Jonah Jameson (voice) | Unknown |
| New York News | 1995 | | TV Show |
| Pom Poko | 1994 | Seizaemon (English version, voice) | Movie |
| The Ref | 1994 | Siskel | Movie |
| The Scout | 1994 | Assistant Coach | Movie |
| ER | 1994 | Gus Loomer | TV Show |
| New York Undercover | 1994 | Dr. Emil Skoda / Sergeant Treadway | TV Show |
| Homicide: Life on the Street | 1993 | Colonel Alexander Rausch | TV Show |
| The Adventures of Pete & Pete | 1992 | Barber Dan | TV Show |
| Law & Order | 1990 | Dr. Emil Skoda / Jerry Luppin | TV Show |
| The Simpsons | 1989 | Victor / Dr. Jessup / JJ Gruff / ... | TV Show |
| American Experience | 1987 | Narrator | TV Show |
| Popeye Doyle | 1986 | Patrolman in Park (as Jonathan Simmons) | TV Movie |
| Saturday Night Live | 1975 | Vern Schillinger | TV Show |
| All My Children | 1970 | RCMP Sergeant | TV Show |
| Echo Planet | | President of Capitol State (English version, voice) | Movie |
| Untitled Accountant Sequel | | Ray King | Movie |
| Baldur's Gate III | | General Ketheric Thorm (voice) | Unknown |
| Spaceman | | Dad | Short Film |
| Late Night Discovery | | | TV Movie |
| Juror #2 | | | Movie |
| Hypergalactic | | | Movie |
