Fanning (born November 23, 1932 in Colorado Springs, Colorado) is a trainer of Thoroughbred racehorses.
He grew up in Texas and began his career in horse racing as a groom for his father, trainer Lev Fanning.
In 1958, he took out a trainer's license but waited until 1967 before becoming a full-time trainer.Fanning's best horse was considered to be Desert Wine which won a number of important stake races and had solid second-place performances in the 1983 Kentucky Derby and Preakness Stakes ; in 1984 it won the Hollywood Gold Cup in which he beat John Henry.