| San Martino del Lago | |
| Official Name: | Comune di San Martino del Lago |
| Coordinates: | 45.0667°N 29°W |
| Region: | Lombardy |
| Province: | Cremona (CR) |
| Frazioni: | Cà de' Soresini |
| Mayor: | Dino Maglia |
| Area Total Km2: | 10.4 |
| Population Total: | 501 |
| Population As Of: | 2009[1] |
| Postal Code: | 26040 |
| Area Code: | 0375 |
San Martino del Lago (Cremunés: San Martén) is a comune (municipality) in the Province of Cremona in the Italian region Lombardy, located about 100km (100miles) southeast of Milan and about 25km (16miles) southeast of Cremona.
San Martino del Lago borders the following municipalities: Ca' d'Andrea, Cingia de' Botti, Scandolara Ravara, Solarolo Rainerio, Voltido. The municipal seat is in the frazione of Cà de' Soresini.