Peter MacNicol (gebore 10 April 1954) is 'n Amerikaanse akteur en regisseur. Hy is bekend vir sy rolle in die rolprent Sophie's Choice (1982) en in die televisiereeks Ally McBeal (1997).
- 1981: Dragonslayer
- 1982: Sophie's Choice
- 1986: Heat
- 1989: American Blue Note
- 1995: Dracula: Dead and Loving It
- 1997: Bean
- 1999: Baby Geniuses
- 2004: Breakin' All the Rules
- 1992: The Powers That Be
- 1997: Ally McBeal
- 2000: Harvey Birdman, Attorney at Law
- 2004: This Just In
- 2005: Numb3rs
- 2015: CSI: Cyber
- 1986: Johnny Bull
- 1998: Silencing Mary
- 1999: Snowden's Christmas
- 2001: The Ponder Heart
- 2003: Crazy Love
- 2012: Game Change
- 2018: Harvey Birdman, Attorney General
- 1997: Death Dreams of Mourning
- 2007: Bean: Scenes Unseen
