| Grignoncourt | |
| Commune Status: | Commune |
| Arrondissement: | Neufchâteau |
| Canton: | Darney |
| Insee: | 88220 |
| Postal Code: | 88410 |
| Mayor: | Julien Grandieu[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Vosges côté Sud-Ouest |
| Coordinates: | 47.9594°N 5.9081°W |
| Elevation M: | 286 |
| Elevation Min M: | 227 |
| Elevation Max M: | 315 |
| Area Km2: | 5.41 |
Grignoncourt (pronounced as /fr/) is a commune in the Vosges department in Grand Est in northeastern France.