Eustorgius II was an archbishop of Milan who held his position from approximately 511 until his death in 518. Originally from Greece, he served during the period of the Ostrogothic Kingdom. Historical records, including correspondence from King Theodoric the Great, suggest he was an influential figure involved in protecting church properties in Sicily and resolving legal disputes involving clergy. He was also known for his charitable efforts, providing financial aid to assist Italian prisoners held by the Burgundians.