Kauai King (April 3, 1963 – January 24, 1989) was an American Thoroughbred racehorse was foaled on April 3, 1963 at Sagamore Farm in Glyndon, Maryland. His sire was Native Dancer and his dam was Sweep In. In 1966, Kauai King won the first two legs of the U.S. Triple Crown. To date, Kauai King is one of only two horses born in Maryland to have crossed the Kentucky Derby finish line first, but 1968 winner Dancer's Image was later stripped of his title, leaving Kauai King as the only official Maryland-bred winner of the Derby.