| Year | Title | Role | Notes |
| 1990 | The Fotis Sevastakis Story | | Television film; Unaired |
| 1991–1992 | Drexell's Class | Willie Trancas | Main role; 14 episodes |
| 1994–1995 | As the World Turns | Pete Wendall | Recurring role; 7 episodes |
| 1997 | Total Security | Robbie Rosenfeld | Main role; 13 episodes (7 unaired) |
| 2001 | The Andy Dick Show | Himself | 2 episodes |
| 2002 | Off Centre | Rick Steve | Episode: "The Good, the Bad and the Lazy" |
| 2004 | Frasier | Dr. Hauck | Episode: "Goodnight, Seattle: Part 2" |
| Sesame Street | Himself | Episode: "Baby Bear Tries to Make Curly Sleep" |
| 2005 | Will & Grace | Baby Glenn | Episode: "The Hole Truth" |
| 2006 | Blowin' Up | Himself | Episode: "The Break-Up" |
| 2007 | I'm in Hell | Nick | Television film; Also producer |
| 2009 | Happiness Isn't Everything | Jason Hamburger | CBS pilot; Also producer |
| 2011 | Mad Love | Ben Parr | Main role; 13 episodes; Also producer |
| 2012–2014 | Teenage Mutant Ninja Turtles | Leonardo / Rat Man Freak (voice) | Main role (season 1–2)Episode: "Of Rats and Men" (Rat Man Freak voice) |
| 2012–2013 | The Good Wife | Dylan Stack | 2 episodes |
| 2012 | 8 Out of 10 Cats | Himself | Episode: "Episode " |
| 2013–2014; 2017; 2019 | Orange Is the New Black | Larry Bloom | Main role (season 1–2), guest (season 5), recurring (season 7)30 episodes |
| 2014 | Hollywood Game Night | Himself | Episode: "Game Night: Behind Bars" |
| Deadbeat | Reed Kelly | Episode: "Out-Of-Body Issues" |
| 2016 | Nightcap | Himself | Episode: "Mean Guest" |
| 2017 | The Good Fight | Dylan Stack | Episode: "Chaos" |
| Angry Angel | Himself | Television film |
| 2018 | The Wendy Williams Show | Himself (Host) | Episode: "Brian Balthazar; Jason Biggs" |
| 2019 | The Bachelorette | Himself (Guest) | Episode: "Week 3" |
| 2020 | Outmatched | Mike | Main role; 10 episodes |
| The Masked Singer | Guest panelist | Episode: "The Playoffs: Group A" |
| 2021 | Cherries Wild | Himself (host) | Main role |
| Jason Biggs' Cash at Your Door | Himself (host) | Main role |
| 2022 | Law & Order: Special Victims Unit | Det. Andy Parlato-Goldstein | 2 episodes |
| 2024 | Blue Ribbon Baking Championship | Himself (host) | |
