| Type: | commune |
| County: | Dâmbovița |
| Vulcana-Băi | |
| Population Total: | auto |
| Leader Name: | Emil Drăghici |
| Leader Party: | Independent |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 45.0833°N 47°W |
| Area Total: | 28.15 |
| Postal Code: | 137535 |
Vulcana-Băi is a commune in Dâmbovița County, Muntenia, Romania with a population of 3,052 people. It is composed of three villages: Nicolaești, Vulcana-Băi and Vulcana de Sus.
The commune is located in the northern part of the county, away from the county seat, Târgoviște.
The Orthodox, founded in 1654, is situated on the territory of the commune.