– December 784) was Ecumenical Patriarch of Constantinople from 780 to 784. He had once opposed the veneration of icons but urged the calling of an ecumenical council to address the iconoclast controversy.
From 780 to 784, he served as the Ecumenical Patriarch of Constantinople.  He initially opposed the veneration of icons but later advocated for a gathering of all Christian leaders to resolve the iconoclastic dispute.