The 1987 Memorial Cup occurred May 9-May 15 at the Oshawa Civic Auditorium in Oshawa, Ontario. Participating teams were the Ontario Hockey League champion and host Oshawa Generals, as well as the winners of the Quebec Major Junior Hockey League and Western Hockey League which were the Longueuil Chevaliers and Medicine Hat Tigers. Medicine Hat won their first Memorial Cup, defeating Oshawa in the final game.