Ile de Bourbon (1975–1997) was an American-bred, British-trained Thoroughbred racehorse and sire. In a career which lasted from 1977 until October 1979 he ran twelve times and won five races. His most important success came in July 1978 when he won the King George VI and Queen Elizabeth Stakes at Ascot. He was retired to stud in 1979 and sired the Derby winner Kahyasi.