(Ἀθανάσιος), of Alexandria, a presbyter of the church in that city, was a son of Isidora, the sister of Cyril of Alexandria. He was deprived of his office and driven out of Alexandria and Egypt by the bishop, Dioscurus, from whom he suffered much persecution. There is extant a small work of his, in Greek, against Dioscurus, which he presented to the council of Chalcedon, A. D. 451. (Cocil. vol. iv. p. 405.)

There were various other ecclesiastical writers of the name of Athanasius, of whom a list is given in Fabric. Bibl. Graec. vol. viii. p. 174.