Eustace of Antioch, sometimes surnamed the Great, was a Christian bishop and archbishop of Antioch in the 4th century. He was a native of Side in Pamphylia. About 320 he was bishop of Beroea, and he became patriarch of Antioch shortly before the Council of Nicaea in 325. In that assembly he distinguished himself zealously against the Arians. His anti–Arian polemic against Eusebius of...