Nikephoros 18 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | L VIII |
| Dates | 787 (taq) / 787 (tpq) |
| PmbZ No. | 5272 |
| Variant Names | Nicephorus |
| Religion | Christian; Iconophile |
| Locations | Arkadiopolis (Asia) (officeplace); Arkadiopolis (Asia); Nikaia |
| Occupation | Bishop |
| Titles | Bishop, Arkadiopolis (Asia) (office) |
| Textual Sources | Nikaia, Second Council of (Seventh Ecumenical Council, a. 787) (Mansi XII-XIII) (conciliar) |
Nikephoros 18 was bishop of Arkadiopolis in Asia; in 787 he attended the Second Council of Nikaia (the Seventh Ecumenical Council); he is attested only at the seventh session, on 13 October 787, where he is styled, in the list of those present at the session, Νικηφόρου ἐπισκόπου Ἀρκαδιουπόλεως: Mansi XIII 373. At the seventh session he subscribed the statement of the faith adopted by the Council and is styled Νικηφόρος ἀνάξιος ἐπίσκοπος Ἀρκαδιουπόλεως: Mansi XIII 388.
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