| Year | Title | Role | Notes |
| 1996 | Hope and Gloria | Howard | Episode: "Sit Down, You're Rockin' the Funicular" |
| 1996, 1998 | Suddenly Susan | Phil, Waiter | 2 episodes |
| 1997 | Seinfeld | NBC Executive | Episode: "The Butter Shave" |
| The Jamie Foxx Show | Director | Episode: "Do the Write Thing" |
| Nick Freno: Licensed Teacher | Announcer | Episode: "The Weighting Game" |
| 1998 | Union Square | Don | Episode: "It Takes a Thief" |
| Caroline in the City | Gene | Episode: "Caroline and the Cabbie" |
| Murphy Brown | Handler | 2 episodes |
| Conrad Bloom | Simpson |
| 1998–12 | Saturday Night Live | Various | 148 episodes |
| 2001 | TV Funhouse | James Brolin | Voice, episode: "Safari Day" |
| The Hughleys | Rick | Episode: "When Darryl Bumped Sally" |
| Friends | Bob | Episode: "The One with Rachel's Date" |
| 2002 | Ed | DJ Curtis Morris | Episode: "The Divorce" |
| 2003 | As Told by Ginger | Radio Announcer, Train Conductor | Voice, episode: "Far from Home" |
| 2006–13 | 30 Rock | Dr. Leo Spaceman | 25 episodes |
| 2007–15 | WordGirl | Narrator, additional voices | Voice, 128 episodes |
| 2008 | Miss Guided | Vice Principal Bruce Terry | 7 episodes |
| Saturday Night Live Weekend Update Thursday | Bob Schieffer, Tom Brokaw | 2 episodes |
| 2009 | Kröd Mändoon and the Flaming Sword of Fire | Narrator | Voice, 5 episodes |
| 2009–10 | Glenn Martin, DDS | Various voices | 4 episodes |
| 2009–23 | Archer | Cyril Figgis, Buck Henry, Siegbert Fuchs | Voice, 127 episodes |
| 2010 | Better Off Ted | Walter Palmer | Episode: "The Impertence of Communicationizing" |
| The Life & Times of Tim | Mark Douglas, Principal, William | Voice, 3 episodes |
| Big Lake | Chris Henkel | 10 episodes |
| 2010–11 | Funny or Die Presents | Various | 6 episodes |
| Eureka | Dr. Noah Drummer | 2 episodes |
| 2010–21 | Tayo the Little Bus | Citu | Voice, English dub |
| 2011 | Fish Hooks | Allibut, Announcer, Gecko Schoolmaster | Voice, 2 episodes |
| Robot Chicken | Scooter, Major Nelson | Voice, episode: "Big Trouble in Little Clerks 2" |
| Mad Love | Officer Dennis Barrett | 2 episodes |
| Workaholics | Bruce Benson | Episode: "In the Line of Getting Fired" |
| Jon Benjamin Has a Van | Area 51 Scientist | Episode: "Stardoor" |
| Love Bites | Chad Banks | Episode: "Stand and Deliver" |
| Curb Your Enthusiasm | Hank | Episode: "The Hero" |
| Prep & Landing: Naughty vs. Nice | Mr. Thistleton | Voice, television special |
| Puppy | Caped Cod | Voice, episode: "The Dog Who Cried Fish" |
| 2011–12 | I Just Want My Pants Back | JB | 6 episodes |
| 2011–14 | Suburgatory | Fred Shay | 38 episodes |
| 2012 | Gravity Falls | Additional voices | 2 episodes |
| Electric City | Giovanni Montalbon | Voice, 20 episodes |
| 2012–16 | Comedy Bang! Bang! | Various | 4 episodes |
| 2013–19 | Drunk History | 6 episodes |
| 2013–present | Rick and Morty | Jerry Smith | Voice, main role |
| 2014 | Filthy Preppy Teen$ | Sean Hastings | Television special |
| The Tom and Jerry Show | Narrator | Voice, episode: "Sleep Disorder/Tom's In-Tents Adventure" |
| Glee | Mario | Episode: "Opening Night" |
| Garfunkel and Oates | Stan | Episode: "Rule 34" |
| BoJack Horseman | Klaus, News Reporter | Voice, episode: "Our A-Story is a 'D' Story" |