| San Gillio | |
| Official Name: | Comune di San Gillio |
| Coordinates: | 45.1411°N 7.5369°W |
| Region: | Piedmont |
| Metropolitan City: | Turin (TO) |
| Mayor: | Maria Grazia La Monica |
| Area Total Km2: | 8.9 |
| Population Footnotes: | [1] |
| Population Total: | 3035 |
| Population As Of: | 31 December 2010 |
| Population Demonym: | Sangilliesi |
| Elevation M: | 320 |
| Saint: | Saint Giles |
| Day: | September 1 |
| Postal Code: | 10040 |
| Area Code: | 011 |
San Gillio is a comune (municipality) in the Metropolitan City of Turin in the Italian region Piedmont, located about 15km (09miles) northwest of Turin.
San Gillio borders the following municipalities: La Cassa, Val della Torre, Druento, Givoletto, Pianezza, and Alpignano. The economy is mostly based on agriculture.