Theodore I of Constantinople (Greek: Θεόδωρος; died 28 December 687) was the Ecumenical Patriarch of Constantinople from 677 to 679.
He had been preceded by Constantine I of Constantinople.
[1] During this cataclysmic period, the Byzantine military overcame the Arab incursion against its walls in the Arab siege of Constantinople (674-678).
He was succeeded by Patriarch George I of Constantinople.
[2] This article about an Eastern Orthodox bishop is a stub.