Anianus may refer to:
Pope Anianus of Alexandria, Patriarch of Alexandria from 62 to 83 Anianus (referendary), of the Breviary of Alaric Anianus (writer), 5th-century Egyptian monastic writer Anianus of Celeda, early 5th-century deacon and supporter of Pelagius Aignan of Orleans, also known as Anianus, Bishop of Orléans, canonized A 4th century bishop of Besançon
See also Annianus (disambiguation)