'''Acacius''' may mean: * Saint Acacius_of_Byzantium (d. 303) * Saint_Acacius * Saint Acacius_of_Amida * Acacius_of_Caesarea "the One-Eyed" (d. 366) * Acacius_of_Beroea * Acacius_of_Constantinople (d. 489) * Acacius, father of Theodora {{disambig}}