Joe Mullen, American ice hockey player and coach
Joseph Patrick Mullen (born February 26, 1957) is an American former professional ice hockey player. He played 16 seasons in the National Hockey League (NHL) with the St. Louis Blues, Calgary Flames, Pittsburgh Penguins and Boston Bruins between 1980 and 1997. He was a member of three Stanley Cup championship teams, winning with the Flames in 1989 and the Penguins in 1991 and 1992. Mullen turned to coaching in 2000, serving as an assistant in Pittsburgh and briefly as head coach of the Wilkes-Barre/Scranton Penguins. He was an assistant with the Philadelphia Flyers from 2007 to 2017.

An undrafted player, Mullen was an all-star for the Boston College Eagles before turning professional in the Blues' organization. He was named the Central Hockey League (CHL) rookie of the year in 1980 and most valuable player in 1981 as a member of the Salt Lake Golden Eagles. He won the Lady Byng Memorial Trophy as the NHL's most gentlemanly player on two occasions as a member of the Flames, as well as the NHL Plus-Minus Award. Mullen was named to the First All-Star Team in 1988–89 and played in three NHL All-Star Games.

Mullen played with the United States National Team on several occasions, including three Canada Cup tournaments. He was the first American player to score 500 goals and to reach 1,000 points in his career. Mullen received the Lester Patrick Trophy in 1995 in recognition of his contributions to the sport in the United States. He was inducted into the United States Hockey Hall of Fame in 1998 and the Hockey Hall of Fame in 2000.