Ioannes 540 | Prosopography of the Byzantine Empire |
| Floruit | VII |
| PmbZ No. | 2778 |
| Religion | Christian |
| Titles | Archbishop, unknown (office) |
| Seal Sources | Zacos, G. and Veglery, A., Byzantine Lead Seals, vol. I (in 3 parts) (Basel, 1972). |
Ioannes 540 was possibly an archbishop; owner of a seal dateable to the seventh century: Zacos and Veglery 396. The name reads: Ἰωάννου but the title is in the form of a monogram which may be interpreted as ἀρχιεπισκόπου but not with certainty.
(Publishable link for this person: )