David Samuel D'Arcy Young (born 17 July 1946 Oakville, Ontario) is a Canadian playwright, novelist, and screenwriter.
Born in Oakville, Ontario, Young studied at the University of Western Ontario. He is the author of seven plays, two novels and several screenplays and teleplays. Two of his plays, Inexpressible Island and Glenn, have been nominated for multiple Canadian drama awards. The play, Fire, received four Dora Mavor Moore Awards as well as the Chalmers/Toronto Drama Bench Award.
Young is also a founder of the Writers' Trust of Canada, a non-profit literary organization that seeks to encourage Canada's writing community, and a trustee of the Griffin Prize for Excellence in Poetry.