| Montallese | |
| Coordinates: | 43.0586°N 11.9147°W |
| Province: | Siena (SI) |
| Comune: | Chiusi |
| Elevation M: | 263 |
| Population Total: | 529 |
| Population As Of: | 2011 |
| Gentilic: | Montallesani |
Montallese is a village in Tuscany, central Italy, administratively a frazione of the comune of Chiusi, province of Siena. At the time of the 2001 census its population was 559.[1]