Joyce DeWitt (gebore 23 April 1949) is 'n Amerikaanse aktrise en vervaardiger. Sy is bekend vir haar rolle in die rolprent Rock Story (2015) en in die televisiereekse Three's Company (1976), The Love Boat (1977), en The Ropers (1979).
- 2011: The Great Fight
- 2015: Rock Story
- 18
- Street Signs: Homeless But Not Hopeless
- 1976: Three's Company
- 1977: The Love Boat
- 1979: The Ropers
- 1979: Presenting Susan Anton
- 2012: The Coffee Talk Show
- 1978: The 1978 Cerebral Palsy Telethon Benefit
- 1980: The Cheryl Ladd Special: Souvenirs
- 1980: The B.B. Beegle Show
- 1995: Spring Fling!
- 1999: TV Guide's Truth Behind the Sitcom Scandals
- 2003: ABC 50th Anniversary Blooper Celebration
- 2003: The Nick at Nite Holiday Special
- 2003: A Life of Laughter: Remembering John Ritter
- 2004: Remembering John Ritter
- 2004: John Ritter: Always Leave Them Laughing
- 2005: Nancy Morgan Ritter: Remembering John Ritter
- 2015: Behind the Scenes with Joyce Dewitt
