Douglas Scott Stewart (born January 16, 1969, in Vancouver, British Columbia) is a former Canadian national rugby player.
His first international cap for Canada was on September 23, 1989, against United States in Toronto.
He was also part of the 1991 Rugby World Cup Canada squad, playing all the matches against Fiji, Romania, France and New Zealand.
He was also in the 1995 and in the 1999 World Cups, playing all the three pool stage matches in both tournaments.
In 2018, Stewart was inducted into the British Columbia Rugby Hall of Fame.