Rosemont (foaled 1932 in Virginia) was an American Thoroughbred racehorse best known for his win in the 1937 Santa Anita Handicap, when he defeated the popular horse Seabiscuit. This race was featured in a scene in the motion picture Seabiscuit (2003). Following his retirement from racing, Rosemont stood at stud at William duPont's Walnut Hall Farm near Boyce, Virginia, where he had been foaled in 1932. Of his progeny, the most notable are Bed O' Roses, a U.S. Racing Hall of Fame inductee, and Berlo, the 1960 American Champion Three-Year-Old Filly.