Saint Ferreolus may refer to: Ferreolus of Besançon (died 212), priest and martyr (with St. Ferrutio), feast day June 16 Ferréol of Uzès (530–581), Catholic saint and bishop, feast day January 4 Ferréol of Grenoble (died 670), or Ferjus, Bishop of Grenoble See also Ferreolus (disambiguation)