| Bagnaia | |
| Coordinates: | 42.4281°N 12.155°W |
| Province: | Viterbo (VT) |
| Comune: | Viterbo |
| Elevation M: | 441 |
| Population Total: | 5500 |
| Population As Of: | 2017 |
| Pop Density Footnotes: | [1] |
Bagnaia is a village in Lazio, central Italy, administratively a frazione of the comune of Viterbo, province of Viterbo.[2]
Former municipality, it was annexed to the comune of Viterbo in 1928. Bagnaia is about 7 km from Viterbo and 100 km from Rome.
The "Fuoco di Sant Antonio" is a large bonfire erected in the town center and, with much merryment, lit on the evening of each 16th of January in honor of the St Anthony.