Golden Sword (foaled 26 April 2006) is a British-bred Thoroughbred racehorse. He won the Chester Vase in 2009, before finishing fifth in the Epsom Derby and second in the Irish Derby. He was trained by Aidan O'Brien until the summer of 2010, when was trasfered to Mike de Kock after being purchased by Sheikh Mohd bin Khalifa Al Maktoum.