Gregory, Demetrius and Calogerus of Fragalata
- Year: 5th cent.
- Feast Day: June 18
Respectively a bishop, an archdeacon and an abbot in North Africa, from where they were driven out by Arian Vandals. They settled in Fragalata near Messina in Sicily and preached the Gospel there. They are honoured as the patron-saints of Fragalata.