Donald MacBeth (August 29, 1949 - March 1, 1987) was a Canadian jockey in Thoroughbred horse racing.Born in Red Deer, Alberta, Macbeth rode horses at Alberta racetracks before going to race in the United States. Among horses of note, he rode Deputy Minister, winner of the 1981 Sovereign and Eclipse awards for Outstanding Two-Year-Old Male Horse in Canada and the United States.