| Frénois | |
| Commune Status: | Commune |
| Arrondissement: | Neufchâteau |
| Canton: | Darney |
| Insee: | 88187 |
| Postal Code: | 88270 |
| Mayor: | Gilles Gantois[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Vosges côté Sud-Ouest |
| Coordinates: | 48.1892°N 6.1231°W |
| Elevation M: | 340 |
| Elevation Min M: | 290 |
| Elevation Max M: | 385 |
| Area Km2: | 4.94 |
Frénois (in French pronounced as /fʁenwa/) is a commune in the Vosges department in Grand Est in northeastern France.
The river Madon forms part of the commune's southeastern border.