| Pietravairano | |
| Official Name: | Comune di Pietravairano |
| Coordinates: | 41.3333°N 24°W |
| Region: | Campania |
| Province: | Caserta (CE) |
| Frazioni: | San Felice |
| Mayor: | Francesco Zarone |
| Area Total Km2: | 33.2 |
| Population Footnotes: | [1] |
| Population Total: | 2981 |
| Population As Of: | 31 March 2017 |
| Population Demonym: | Pietravairanesi |
| Elevation M: | 258 |
| Postal Code: | 81050 |
| Area Code: | 0823 |
Pietravairano is a comune (municipality) in the province of Caserta in the Italian region Campania, located about 60km (40miles) north of Naples and about 35km (22miles) northwest of Caserta.