Maximus III of Constantinople was an Ecumenical Patriarch of Constantinople and a scholar who lived from approximately 1450 to 1482. Originally known as Manuel Christonymos, he was born in the Peloponnese region. After serving in various administrative roles within the Patriarchate, he eventually ascended to the patriarchate in 1476. His leadership was characterized by a period of stability and consensus for the church following times of significant turmoil. He is remembered both for his ecclesiastical leadership and his historical writings.