Warren R. Stute (September 30, 1921 - August 9, 2007) was an American Thoroughbred horse racing trainer who conditioned racehorses for almost 70 years from a base in California. Clement L. Hirsch, co-founder and owner of Oak Tree Racing Association was among his prominent clients and someone whose horses he trained for more than forty years. He also trained for prominent show-biz people such as Walter Matthau as well as Betty Grable and her husband, bandleader Harry James.