Tantième (1947-1966) was a French Thoroughbred horse racing champion and prominent sire who twice won the Prix de l'Arc de Triomphe, France's most prestigious horse race. He also won several other important conditions races including the Grand Critérium in 1949, the Poule d'Essai des Poulains, Prix Lupin and his first Arc de Triomphe in 1950.