Arcadius (disambiguation)

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