Demetri Martin (gebore 25 Mei 1973) is 'n Amerikaanse skrywer, akteur, en vervaardiger. Hy is bekend vir sy rolle in die rolprente Taking Woodstock (2009), Take Me Home Tonight (2011), In a World... (2013), en Dean (2016).
- 2009: Taking Woodstock
- 2011: Take Me Home Tonight
- 2013: In a World...
- 2014: The Last Time You Had Fun
- 2016: Dean
- Will
- 2003: The Pavement
- 2009: Important Things with Demetri Martin
- 2014: We Bare Bears
- 2016: Our Fascinating Planet
- 2008: 2008 Breakout Comedians
- 2016: We Bare Bears: Charlie's Opus
- 2016: We Bare Bears: Goodnight Ice Bear
- 2017: We Bare Bears: Grizzly - Ultimate Hero Champion