| San Vittore del Lazio | |
| Coordinates: | 41.4667°N 69°W |
| Region: | Lazio |
| Province: | Frosinone (FR) |
| Mayor: | Nadia Bucci |
| Area Total Km2: | 27.1 |
| Population Footnotes: | [1] |
| Population Total: | 2560 |
| Population As Of: | 28 February 2017 |
| Population Demonym: | Sanvittoresi |
| Elevation M: | 210 |
| Postal Code: | 03040 |
| Area Code: | 0776 |
San Vittore del Lazio is a comune (municipality) in the Province of Frosinone in the Italian region Lazio, located about 130km (80miles) southeast of Rome and about 50km (30miles) southeast of Frosinone.
The castle of San Vittore has belonged to the Mancini family from the 15th century to the present.
San Vittore del Lazio borders the following municipalities: Cassino, Cervaro, Conca Casale, Mignano Monte Lungo, Rocca d'Evandro, San Pietro Infine, Venafro, Viticuso.