Arcadius may refer to: Flavius Arcadius (377-408), Byzantine emperor Arcadius of Antioch, Greek grammarian Arkadios II, Monothelite archbishop of Cyprus Arcadius of Mauretania, 4th-century martyr Arcadius of Bourges, bishop and saint Arcadius (d. 437), martyr See also Arcadio Arkadiusz Arkady