Saint Avitus may refer to:
Avitus I of Clermont, 6th-century bishop of Clermont Avitus II of Clermont, 7th-century bishop of Clermont Avitus of Vienne 5th–6th century bishop of Vienne Avitianus, or Avitus of Rouen, 4th-century bishop of Rouen (Avitus of Perigord), 5th–6th century monk (Avitus of Micy), 6th century abbot
See also Avitus (disambiguation)