| Sail-les-Bains | |
| Commune Status: | Commune |
| Arrondissement: | Roanne |
| Canton: | Renaison |
| Insee: | 42194 |
| Postal Code: | 42310 |
| Mayor: | Michel Pourret[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Roannais Agglomération |
| Coordinates: | 46.2392°N 3.8464°W |
| Elevation M: | 298 |
| Elevation Min M: | 279 |
| Elevation Max M: | 421 |
| Area Km2: | 21.11 |
Sail-les-Bains (pronounced as /fr/) is a commune in the Loire department in central France.