| Sans-Vallois | |
| Commune Status: | Commune |
| Arrondissement: | Neufchâteau |
| Canton: | Darney |
| Insee: | 88441 |
| Postal Code: | 88260 |
| Mayor: | Gérard Bogard[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Vosges côté Sud-Ouest |
| Coordinates: | 48.1611°N 6.1072°W |
| Elevation Min M: | 313 |
| Elevation Max M: | 395 |
| Area Km2: | 4.43 |
Sans-Vallois (in French pronounced as /sɑ̃ valwa/) is a commune in the Vosges department in Grand Est in northeastern France.