William Ward "Bill" Stephens (November 21, 1922 - July 10, 1987) was an American Thoroughbred horse racing trainer. A younger brother to U.S. Racing Hall of Fame trainer, Woody Stephens, he was often referred to as "Bill" by the media.Stephens began his career in racing as his brother's assistant at Royce Martin's Woodvale Farm in Kentucky. However, his career was interrupted during World War II when he served overseas with the United States Army.