| Sommo | |
| Official Name: | Comune di Sommo |
| Coordinates: | 45.1333°N 14°W |
| Region: | Lombardy |
| Province: | Pavia (PV) |
| Frazioni: | San Fedele, Travedo |
| Mayor: | Giovanna Paola Ferrari |
| Area Total Km2: | 14.87 |
| Population Footnotes: | [1] |
| Population Total: | 1132 |
| Population As Of: | 31 December 2010 |
| Population Demonym: | Sommesi |
| Elevation M: | 80 |
| Saint: | St. Roch |
| Day: | August 16 |
| Postal Code: | 27048 |
| Area Code: | 0382 |
Sommo is a comune (municipality) in the province of Pavia in the Italian region Lombardy, about 40 km south of Milan and about 8 km southwest of Pavia, on the eastern border of Lomellina traditional region.
Sommo borders the following municipalities: Bastida Pancarana, Cava Manara, Zinasco.