Prince Regent (foaled 1935) was an Irish Thoroughbred racehorse who won the 1946 Cheltenham Gold Cup. He was the dominant steeplechaser in Ireland during World War II with his wins including the Irish Grand National in 1942. After the war he was able to compete in the major British chases and won the Cheltenham Gold Cup in 1946. He finished third when favourite for the 1946 Grand National and fourth in the race in 1947, carrying top weight on both occasions. He continued to race until the age of fourteen, retiring in 1949.