Eustorgius or Eustorge can refer to:
Eustorgius I, bishop of Milan from 344 to 350 Eustorgius II, bishop of Milan from 512 to 518 Eustorge de Scorailles, bishop of Limoges from 1106 until 1137 Eustorgius of Nicomedia, father of Saint Pantaleon Eustorgius of Montaigu, archbishop of Nicosia in the 13th century
See also Basilica of Sant'Eustorgio