| Lavaiano | |
| Coordinates: | 43.6289°N 10.5847°W |
| Province: | Pisa (PI) |
| Comune: | Casciana Terme Lari |
| Elevation M: | 14 |
| Population Total: | 590 |
| Population As Of: | 2011 |
| Postal Code: | 56035 |
| Area Code: | (+39) 0587 |
Lavaiano is a village in Tuscany, central Italy, administratively a frazione of the comune of Casciana Terme Lari, province of Pisa. At the time of the 2001 census its population was 359.[1]
Lavaiano is about 26 km from Pisa and 10 km from Lari.