Theodore I of Constantinople
| Theodore I of Constantinople | |
|---|---|
| Ecumenical Patriarch of Constantinople | |
| Installed | August 677 c. January 686 | 
| Term ended | November 679 28 December 687 | 
| Predecessor | Constantine I of Constantinople George I of Constantinople | 
| Successor | George I of Constantinople Paul III of Constantinople | 
| Personal details | |
| Died | 28 December 687 | 
| Denomination | Chalcedonian Christianity | 
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. 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.