Alberta Ranches, Ltd. was a Thoroughbred horse racing partnership between U.S. Racing Hall of Fame jockey and Kentucky Derby-winning trainer Johnny Longden, his son Vance, and businessmen and Frank McMahon, Wilder H. Ripley, and Max Bell. The three men were all longtime friends from the Province of Alberta in Canada. The partnership was formed in 1952 and was dissolved in 1962 following a dispute between McMahon and Bell.