Eoin G. Harty (born November 23, 1962) is a Thoroughbred racehorse trainer in the United States.
From a family of horsemen, Eoin (pronounced Owen) Harty is the fourth generation to be involved in racing.
Harty worked for notable stables such as that of Allen E. Paulson and eventually became an assistant to trainers John Russell and then Bob Baffert.
In 2000, he took charge of the training of two-year-olds for the North American division of Sheikh Mohammed's Godolphin Racing.
In 2007, Eoin Harty began conditioning horses for WinStar Farm and has met with considerable success, notably winning the 2008 Travers Stakes with Colonel John and the 2009 Dubai World Cup with Well Armed.