| Castroregio | |
| Official Name: | Comune di Castroregio |
| Pushpin Label Position: | bottom |
| Coordinates: | 39.9833°N 45°W |
| Province: | (CS) |
| Mayor: | Alessandro Adduci |
| Area Total Km2: | 42.06 |
| Population Footnotes: | [1] |
| Population Total: | 272 |
| Population As Of: | 31 October 2018 |
| Population Demonym: | Castroregesi |
| Elevation M: | 819 |
| Saint: | Santa Maria ad Nives |
| Day: | 18 August |
| Postal Code: | 87070 |
| Area Code: | 0981 |
Castroregio (aae|Kastërnexhi; Calabrian: Neapolitan: Castrurìgiu) is an Arbëreshë[2] town and comune in the province of Cosenza in the Calabria region of southern Italy.