Sean Wallace (born January 1, 1976) is an American science fiction, fantasy, and horror anthologist, editor, and publisher best known for founding the publishing house Prime Books and for co-editing three magazines, Clarkesworld Magazine, The Dark Magazine, and Fantasy Magazine. He has been nominated a number of times by both the Hugo Awards and the World Fantasy Awards, won three Hugo Awards and two World Fantasy Awards, and has served as a World Fantasy Award judge.