John Winfield Winnett Jr. (December 22, 1928, in Los Angeles, California – October 5, 2007, in Wellington, Florida ) was an American equestrian who competed in the 1972 Summer Olympics.

[1] Winnett spent much of his early years in Europe where he had access to an outstanding equestrian education from which he benefitted.

[4] In August 1974, John captained and rode with the American dressage team at the World Championships in Copenhagen.

[5] The team also competed at Falsterbo, Sweden a week earlier, and then after the Worlds, Rotterdam, Holland, and Aachen, West Germany.

[8] Retiring from competition in 1990, he and his wife, Roanne Denny, settled in Wellington, Florida in 1996 where they taught students and trained horses to Grand Prix.