Royal Orbit (April 25, 1956 - c. 1980) was an American Thoroughbred racehorse best known as the winner of the Preakness Stakes, the second leg of the U.S.
Royal Orbit was a chestnut horse bred by film mogul Louis B. Mayer.
Royal Orbit was a top two-year-old colt racing in California, notably winning the 1958 Los Feliz Stakes and finishing second to Tomy Lee in the Del Mar Futurity.
In his only out-of-the-money finish in twenty career races, Royal Orbit ran fourth to winner Tomy Lee in the 1959 Kentucky Derby under jockey William Harmatz.
Retired at the end of the 1959 racing season, Royal Orbit stood in Kentucky and at the Maryland branch of E.P.