Susan Sullivan (gebore 18 November 1942) is 'n Amerikaanse aktrise. Sy is bekend vir haar rolle in die rolprent My Best Friend's Wedding (1997) en in die televisiereekse Falcon Crest (1981), Dharma & Greg (1997), en Castle (2009).
- 1978: Killer's Delight
- 1997: My Best Friend's Wedding
- 1998: Show & Tell
- 1970: A World Apart
- 1976: Rich Man, Poor Man - Book II
- 1977: Incredible Hulk
- 1978: Having Babies
- 1981: Falcon Crest
- 1983: Woman to Woman
- 1994: The George Carlin Show
- 1995: The Monroes
- 1997: Dharma & Greg
- 2009: Castle
- 1968: Macbeth
- 1976: Bell, Book and Candle
- 1980: The Ordeal of Dr. Mudd
- 1983: Cave In!
- 1986: Rage of Angels: The Story Continues
- 1991: Ruth Harper
- 1994: A Perfect Stranger
- 2017: A Concert Across America
