Kallistos 4 | Prosopography of the Byzantine Empire |
| Sex | M |
| Floruit | L VIII |
| Dates | 787 (taq) / 787 (tpq) |
| PmbZ No. | 3600 |
| Variant Names | Callistus |
| Religion | Christian; Iconophile |
| Locations | Cyprus (officeplace); Cyprus (residence); Cyprus; Nikaia |
| Occupation | Hegoumenos |
| Titles | Hegoumenos, unknown (Cyprus) (office) |
| Textual Sources | Nikaia, Second Council of (Seventh Ecumenical Council, a. 787) (Mansi XII-XIII) (conciliar) |
Kallistos 4 was hegoumenos of several monasteries in Cyprus; in 787 he attended the Second Council of Nikaia (the Seventh Ecumenical Council) and is attested at the fourth session, on 1 October 787, when he subscribed the statements read out from the Fathers in support of the veneration of icons: Mansi XIII 153 (Κάλλιστος ἡγούμενος διαφόρων μοναστηρίων Κύπρου; the Latin version, at XIII 154, calls him "
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