Harry E. Trotsek (April 18, 1912 – February 5, 1997) was an American Hall of Fame trainer and owner of Thoroughbred racehorses. He trained 96 stakes race winners including Champions Hasty Road, Moccasin, Oil Capitol, and Stan, and led all North American trainers in purse winnings in 1953. Trotsek was widely respected for his development of young jockeys including such riders as Johnny Sellers, Kenny Church and John Rotz.