| Guazzino | |
| Coordinates: | 43.2128°N 11.7819°W |
| Province: | Siena (SI) |
| Comune: | Sinalunga |
| Elevation M: | 282 |
| Population Total: | 1004 |
| Population As Of: | 2011 |
Guazzino is a village in Tuscany, central Italy, administratively a frazione of the comune of Sinalunga, province of Siena. At the time of the 2001 census its population was 797.[1]