| Ancaiano | |
| Coordinates: | 43.2928°N 11.2008°W |
| Province: | Siena (SI) |
| Comune: | Sovicille |
| Elevation M: | 257 |
| Population Total: | 127 |
| Population As Of: | 2011 |
| Gentilic: | Ancaianini / Ancaianesi |
Ancaiano is a village in Tuscany, central Italy, administratively a frazione of the comune of Sovicille, province of Siena. At the time of the 2001 census its population was 109.[1]