| Scarna | |
| Coordinates: | 43.3956°N 11.1603°W |
| Province: | Siena (SI) |
| Comune: | Colle di Val d'Elsa |
| Elevation M: | 218 |
| Population Total: | 57 |
| Population As Of: | 2011 |
Scarna is a village in Tuscany, central Italy, in the comune of Colle di Val d'Elsa, province of Siena. At the time of the 2001 census its population was 56.[1]