Gordon K. "Sandy" Douglass (October 22, 1904 – February 12, 1992) was an American racer, designer, and builder of sailing dinghies. Two of his designs, the Thistle and the Flying Scot, are among the most popular one design racing classes in the United States. The Flying Scot was inducted into the American Sailboat Hall of Fame. As a small boat racer, Douglass was five times the North American champion in the 10 Square Meter International Sailing Canoe, five times the United States national champion in the Thistle, and seven times the Flying Scot North American champion.