Bryan John Trottier (born July 17, 1956) is a Canadian former professional ice hockey centre who played 18 seasons in the National Hockey League (NHL) for the New York Islanders and Pittsburgh Penguins. He won four Stanley Cups with the Islanders, two with the Penguins and one as an assistant coach with the Colorado Avalanche. He holds the NHL record for points in a single period with six (four goals and two assists) in the second period against the Rangers on December 23, 1978. He is also one of only eight NHL players with multiple five-goal games.
On August 4, 2014, Trottier was announced as an assistant coach for the Buffalo Sabres.