Cantelo (foaled 1956) was a British Thoroughbred racehorse and broodmare. In a career which lasted from spring 1958 until September 1959 she ran eleven times and won eight races. Cantelo was unbeaten in five races as a two-year-old including the Royal Lodge Stakes, in which she defeated colts. As a three-year-old in 1959 she won the Classic St Leger, as well as the Cheshire Oaks and the Ribblesdale Stakes.