Nikephoros I of Constantinople
| Nikephoros I of Constantinople | |
|---|---|
| Nicephorus I of Constantinople trampling on John VII of Constantinople, miniature from Chludov Psalter. | |
| Ecumenical Patriarch of Constantinople | |
| Venerated in | Catholic Church, Eastern Orthodox Church | 
| Feast | 13 March, 2 June | 
| Nicephorus I of Constantinople | |
|---|---|
| Ecumenical Patriarch of Constantinople | |
| Installed | 12 April 806 | 
| Term ended | 13 March 815 | 
| Predecessor | Tarasios of Constantinople | 
| Successor | Theodotus I of Constantinople | 
| Personal details | |
| Born | c. 758 | 
| Died | 5 April 828 Constantinople | 
| Denomination | Chalcedonian Christianity | 
Nikephoros I (Greek: Νικηφόρος; c. 758 – 5 April 828) was a Byzantine writer and Ecumenical Patriarch of Constantinople from 12 April 806 to 13 March 815.