Mark Patrick Heaslip (born December 26, 1951) is an American former professional ice hockey forward who played 117 games in the National Hockey League (NHL) for the New York Rangers and Los Angeles Kings between 1976 and 1979. The rest of his career, which lasted from 1973 to 1980, was spent in the minor leagues. Internationally he played for the American national team at the 1977 World Championships.