Golden Horn (foaled 27 March 2012) is a champion British Thoroughbred racehorse who was the 2015 European Horse of the Year after winning the Epsom Derby, Arc de Triomphe, Irish Champion Stakes, Eclipse Stakes, and coming second in the Breeders' Cup Turf. In a racing career which lasted 367 days from October 2014 until October 2015 he won seven of his nine races and was never beaten by a male horse. He was bred in England by his owner Anthony Oppenheimer and was trained throughout his racing career by John Gosden.