Guy Boucher (born August 3, 1971) is a Canadian professional ice hockey coach. Boucher is the former head coach of the Tampa Bay Lightning and Ottawa Senators of the National Hockey League (NHL). He was also the head coach of SC Bern in the 2014–15 season. He previously coached in the Quebec Major Junior Hockey League (QMJHL). He has coached various Canadian international teams.
Before his coaching years, Boucher played right wing with the McGill Redmen between 1991 and 1995. He graduated with an arts degree (history and environmental biology) in 1995 and an engineering degree (agricultural engineering) in 1996. He also holds a Masters in sports psychology at the University of Montreal. In 1995–96, Boucher played in France for Viry-Essonne where he scored 16 goals and 38 points in 27 games.
Boucher began his coaching career as assistant coach with the McGill Redmen under head coach Martin Raymond in 1996–97, then moved on to serve as an assistant coach with the Rouyn-Noranda Huskies of the Quebec Major Junior Hockey League (1997–2000) and then with the Rimouski Océanic from 2003 to 2006 with whom he won the Jean-Rougeau trophy (regular season champions) and President's Cup. He also participated in the Memorial Cup tournament. In between, he coached the Lac-Saint-Louis Lions of the AAA Midget Hockey League. He returned to the Quebec Major Junior Hockey League as the Drummondville Voltigeurs head coach in 2006. In the 2008–09, he guided the team to their best season in history, with a total of 54 wins and 112 points, capturing the President's Cup on his way to the Memorial Cup tournament once again. He won the Paul-Dumont Trophy, awarded to QMJHL's personality of the year.