| Fontana Liri | |
| Official Name: | Comune di Fontana Liri |
| Coordinates: | 41.6167°N 46°W |
| Region: | Lazio |
| Province: | Frosinone (FR) |
| Mayor: | Gianpio Sarracco |
| Area Total Km2: | 16.0 |
| Population Footnotes: | [1] |
| Population Total: | 2932 |
| Population As Of: | 31 August 2017 |
| Population Demonym: | Fontanesi |
| Elevation M: | 150 |
| Postal Code: | 03035 |
| Area Code: | 0776 |
Fontana Liri is a comune (municipality) in the Province of Frosinone in the Italian region Lazio, located about 90km (60miles) southeast of Rome and about 15km (09miles) east of Frosinone. Fontana Liri is in the Latin Valley.
Fontana Liri borders the following municipalities: Arce, Arpino, Monte San Giovanni Campano, Rocca d'Arce, Santopadre.
The town is the birthplace of Marcello Mastroianni and Umberto Mastroianni.
Southern Latian dialect is spoken in the city.[2]