| San Regolo | |
| Coordinates: | 43.4111°N 11.4586°W |
| Province: | Siena (SI) |
| Comune: | Gaiole in Chianti |
| Elevation M: | 462 |
| Population Total: | 73 |
| Population As Of: | 2011 |
San Regolo is a village in Tuscany, central Italy, administratively a frazione of the comune of Gaiole in Chianti, province of Siena. At the time of the 2001 census its population was 64.[1]