King's Swan (February 11, 1980 – February 7, 2006) was an American Thoroughbred racehorse nicknamed "The King of Aqueduct" who was so popular with New York City area fans that on his retirement from racing at age ten, he was honored with a retirement ceremony at Aqueduct Racetrack.
Despite his breeding, by age five King's Swan had accomplished little on the racetrack and was put up for sale in claiming races.
At age ten in 1990, he was still campaigning and winning stakes events, notably capturing his second Aqueduct Handicap.
As a gelding, King's Swan was not able to serve as a sire and following his December 22, 1990, retirement he was given to Jean Lazio, his longtime exercise rider.
On February 7, 2006, at the age of twenty-six, King's Swan was humanely euthanized at the Mid-Atlantic Equine Center in Ringoes, New Jersey.