Susan Haskell (born June 10, 1968) is a Canadian actress. She graduated from Tufts University in the United States in 1985 with a major in child study.

She is most known for her Daytime Emmy winning role as Dr. Margaret "Marty" Saybrooke, bad-girl-turned-good, on the ABC soap opera One Life to Live. She portrayed this role from March 1992 until September 1997, with two brief visits in 2004 and 2005. Haskell won a Daytime Emmy Award for her role on One Life to Live for "Outstanding Supporting Actress" in 1994.

Haskell also appeared on Port Charles as Granya Thornhart, opposite her former One Life to Live love interest (and longtime companion), Thorsten Kaye, with whom she shares a child, daughter McKenna (born February 2003) and Marlowe (born January 2007).