| Chavanay | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Étienne |
| Canton: | Le Pilat |
| Insee: | 42056 |
| Postal Code: | 42410 |
| Mayor: | Patrick Métral[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pilat rhodanien |
| Coordinates: | 45.4156°N 4.7319°W |
| Elevation M: | 160 |
| Elevation Min M: | 140 |
| Elevation Max M: | 463 |
| Area Km2: | 15.06 |
Chavanay (in French pronounced as /ʃavanɛ/) is a commune in the Loire department in central France.
Chavanay is twinned with Waldkirch, Germany, since 1994.