Leontius of Jerusalem (Greek: Λεόντιος, ca.485 - ca.543,[1] though debated) was a Byzantine Christian theologian, monk and proponent of the Council of Chalcedon.
Virtually all of Egypt and much of Palestine and Syria had rejected Chalcedon (451). By the 530s this reached a breaking point with the risk of schism - as eventually happened, with Oriental Orthodoxy being descended of those who rejected the council. Leontius involved himself in trying to convince anti-Chalcedonians of the validity of Chalcedonian Christology.[2]
He is known only from two of his works: