Gregory John Stewart (born May 21, 1986) is a Canadian former professional ice hockey left winger. He played 26 games in the National Hockey League with the Montreal Canadiens over three seasons from 2008 to 2009. The rest of his career, which lasted from 2006 to 2016, was mainly spent in the minor leagues. Stewart was born in Kitchener, Ontario.

Stewart was drafted in the eighth round, 246th overall in the 2004 NHL Entry Draft by the Montreal Canadiens from the Peterborough Petes of the Ontario Hockey League (OHL). On May 30, 2006, Greg signed a three-year entry level contract with the Canadiens.^[1] Stewart made his professional debut in the 2006–07 playing the full season with the Cincinnati Cyclones of the ECHL.

In the 2007–08 season, Stewart was assigned to AHL affiliate, the Hamilton Bulldogs, for the majority of the year posting 10 goals in 69 games. On April 2, 2008, he was recalled from the Bulldogs and played his first NHL game on April 5, 2008, in the last game of the regular season against the Toronto Maple Leafs.^[2]

Demoted after 5 games with the Canadiens to the Bulldogs in the 2009–10 season. Appearing in 45 games with the Bulldogs for 10 points, Stewart was then loaned to the Chicago Wolves in exchange for Michael Vernace on March 10, 2010.^[3]

On July 16, 2010, Stewart signed as a free agent with the Edmonton Oilers to a one-year contract.^[4] Stewart played his first pre-season game for Edmonton on September 21, 2010. He scored the game-winning goal, as the Oilers defeated the Vancouver Canucks 3-2.^[5]