Michael Riley (born February 4, 1962) is a Canadian actor.

He has acted in over 40 films and television series, including This Is Wonderland, for which he received a Gemini Award, and the Emmy-nominated BBC / Discovery Channel co-production Supervolcano.

He also portrays, Dr. Tom, a leading character in the 2009 to 2011 CBC Television series Being Erica.

Riley was born in London, Ontario, and graduated from the National Theatre School in Montreal, Quebec in 1984.

As a stage actor, he received a Dora Mavor Moore Award nomination for his performance as Arkady in George F. Walker's Nothing Sacred in 1988.