Acting
- 2020Adventure Time: Distant LandsMr. Pig (voice)1 ep.
- 2019Dope StateArman Driver6 ep.
- 2018CorporateKevin1 ep.
- 2015Star vs. the Forces of EvilRichard / Flying Pig (voice)1 ep.
- 2011Happy EndingsTourist1 ep.
- 2011PortlandiaRon Lynch1 ep.
- 2011Bob's BurgersRon (voice)14 ep.
- 2010Adventure Time1 ep.
- 2008True Jackson, VP1 ep.
- 2007Tim and Eric Awesome Show, Great Job!Man in Fitness Infomercial4 ep.
- 2007The Sarah Silverman ProgramDr. Lynch5 ep.
- 2004Tom Goes to the MayorCity Council Member (voice)30 ep.
- 2001Raising DadMr. Lynch2 ep.
- 1999Home MoviesRonald Lynch (voice)52 ep.
- 1995Dr. Katz, Professional TherapistRon (voice)4 ep.
Behind the camera
- 1995Dr. Katz, Professional TherapistAdditional Writing4 ep.
Guest appearances
- 2011Bob's BurgersFuntime Exec (voice), Ron (voice)14 ep.
- 2021Adventure Time: Distant LandsMr. Pig (voice)1 ep.
- 2019Star vs. the Forces of EvilRichard / Flying Pig (voice)1 ep.
- 2018CorporateKevin1 ep.
- 2016PortlandiaRon Lynch1 ep.
- 2012Adventure Time1 ep.
- 2011Happy EndingsTourist1 ep.
- 2010True Jackson, VP1 ep.
- 2007Tim and Eric Awesome Show, Great Job!Award Show Announcer (voice), MIDI Announcer (voice), Man in Fitness Infomercial, Musky Tusk Announcer (voice)4 ep.
- 2007The Sarah Silverman ProgramDoctor, Dr. Lynch5 ep.
- 2006American Dad!Anorexia Counsellor (voice)1 ep.
- 2001Raising DadMr. Lynch2 ep.
- 1997Dr. Katz, Professional TherapistRon (voice)4 ep.
- 1994Late Night with Conan O'BrienSelf - Guest1 ep.
Also known as: Ronald lynch