Dr Devious (10 March 1989 – 7 March 2018) was an Irish-bred and British-trained Thoroughbred race horse. In a career which lasted from May 1991 until November 1992, he ran fifteen times and won six races. He is most notable as the winner of the Derby in 1992. Dr Devious's other most significant wins came in the Dewhurst Stakes and the Irish Champion Stakes. He was the second horse, after Bold Arrangement in 1986, to run in both the Kentucky Derby and the Epsom Derby.