Dwight Wayne Mathiasen (born May 12, 1963) is a Canadian retired professional ice hockey player who played 33 games in the National Hockey League with the Pittsburgh Penguins between 1986 and 1988. The rest of his career, which lasted from 1986 to 1996, was spent in different minor leagues. Born in Brandon, Manitoba, Mathiasen was an all-American and all-WCHA player at the University of Denver.