Ian Marsh (born 14 July 1966) is a Canadian actor.
He has appeared in films and television programs such as:
- The X-Files (TV Series) in the 1996 episode "Musings of a Cigarette Smoking Man"
- Millennium (TV Series) in the 1999 episode "Borrowed Time" as the Track Controller
- Dangerous Attraction (2000) as Trevor Bains
- Along Came a Spider (2001) as Sam
- The Outer Limits (TV Series)
- Dark Angel (TV Series)
- The Twilight Zone (TV Series) in the 2002 episode "Cradle of Darkness" as the Police Officer
- Stargate SG-1 (TV Series) in the 2003 episode "Evolution: Part 2" as Thoth
- Flash Gordon: A Modern Space Opera (TV Series)