Tom Walmsley (born December 13, 1948 in Liverpool, England) is a Canadian playwright, novelist, poet and screenwriter.
Born in Liverpool, Walmsley came to Canada with his family in 1952, and was raised in Oshawa, Ontario and Lorraine, Quebec. He dropped out of high school and battled addictions to heroin and alcohol as a young adult.
In addition to his plays, Walmsley was the winner of the first Three-Day Novel Contest in 1979 for his novel Doctor Tin. He later published a sequel, Shades, and another unrelated novel, Kid Stuff. Walmsley wrote the screenplay for Jerry Ciccoritti's film Paris, France in 1993. Ciccoritti also later adapted Walmsley's play Blood into a film.