Gregory Scott Gilbert (born January 22, 1962) is a Canadian professional ice hockey coach and former player. Gilbert played 15 seasons in the National Hockey League before retiring from his playing career to become a coach. Gilbert was the head coach of the Calgary Flames. During his career, he played for the New York Islanders, Chicago Blackhawks, New York Rangers and St. Louis Blues. After a sixteen-season NHL career, Gilbert became a head coach, and has also coached the Worcester IceCats of the AHL, the Mississauga IceDogs of the Ontario Hockey League and the Calgary Flames of the NHL. He is a former head coach of the Toronto Marlies and the Adirondack Phantoms of the American Hockey League. On Friday, June 5, 2009, Gilbert was relieved of his coaching duties as his contract was not renewed by the Toronto Maple Leafs. In Gilbert's third and final season with the Marlies, the team went 39–29–5–7 in the regular season, and then went on to lose in six games to the Manitoba Moose in the North Division semifinal. On July 28, 2009, Gilbert was named the head coach of the newly formed Adirondack Phantoms, taking over for John Paddock. The Phantoms dismal 2–10–1 record to start to the 2010–11 AHL season resulted in Gilbert being fired from his position as head coach. On November 8, 2010 it was announced that Gilbert had been relieved of his duties as Adirondack's head coach, and that the assistant general manager, John Paddock, would be interim head coach until a permanent replacement could be found.On December 10, 2011, Gilbert was named the head coach of the Saginaw Spirit of the Ontario Hockey League, taking over for Todd Watson.As a player, Gilbert is a three-time Stanley Cup Champion, winning it with the Islanders in 1982 and 1983, and with the Rangers in 1994. He is the only person in NHL history to win the Stanley Cup with both franchises.