| Casanova Lerrone | |
| Official Name: | Comune di Casanova Lerrone |
| Coordinates: | 44.0333°N 11°W |
| Region: | Liguria |
| Province: | Savona (SV) |
| Mayor: | Michele Volpati |
| Area Total Km2: | 24.23 |
| Population Footnotes: | [1] |
| Population Total: | 732 |
| Population As Of: | 31 May 2017 |
| Population Demonym: | Casanovesi |
| Elevation M: | 256 |
| Postal Code: | 17033 |
| Area Code: | 0182 |
Casanova Lerrone (Casanêuva) is a comune (municipality) in the Province of Savona in the Italian region Liguria, located about 80km (50miles) southwest of Genoa and about 45km (28miles) southwest of Savona.
Casanova Lerrone borders the following municipalities: Borghetto d'Arroscia, Cesio, Garlenda, Onzo, Ortovero, Ranzo, Stellanello, Testico, Vessalico, and Villanova d'Albenga.