| Castrocielo | |
| Official Name: | Comune di Castrocielo |
| Coordinates: | 41.5333°N 55°W |
| Region: | Lazio |
| Province: | Frosinone (FR) |
| Mayor: | Giovanni Fantaccione |
| Area Total Km2: | 27.92 |
| Population Footnotes: | [1] |
| Population Total: | 3915 |
| Population As Of: | 31 October 2019 |
| Population Demonym: | Castrocielesi |
| Elevation M: | 250 |
| Saint: | St. Lucy |
| Day: | December 13 |
| Postal Code: | 03030 |
| Area Code: | 0776 |
Castrocielo is a comune (municipality) in the province of Frosinone in the Italian region Lazio, located about 110km (70miles) southeast of Rome and about 30km (20miles) southeast of Frosinone.
Castrocielo borders the following municipalities: Aquino, Colle San Magno, Piedimonte San Germano, Pontecorvo, Roccasecca.
Angelo Savoldi (1914-2013), American professional wrestler