The Prioress Stakes is an American Grade II Thoroughbred horse race held annually during the eight-week meet at Saratoga Race Course in Saratoga Springs, New York. Inaugurated in 1948 at Jamaica Racetrack, it was raced there through 1959 after which it was hosted by Aqueduct Racetrack through 1986. It was run at Belmont Park from 1987 through 2011 before being moved to Saratoga Race Course in 2012, where it remains on the stakes schedule. The Prioress was named for the filly Prioress, out of the great mare Reel, herself by Glencoe. In 1858, Prioress became the first American Thoroughbred ever to win in England.