Leading Light (foaled 6 March 2010) is an Irish Thoroughbred racehorse. As a two-year-old, he was well-beaten in his first race before winning a maiden race. In 2013, he established himself as a leading stayer, winning his first four races, including the Gallinule Stakes, the Queen's Vase, and the classic St Leger Stakes. As a four-year-old, he won the Vintage Crop Stakes before winning the Ascot Gold Cup.