| Grémecey | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Grémecey (Moselle).svg |
| Arrondissement: | Sarrebourg-Château-Salins |
| Canton: | Le Saulnois |
| Insee: | 57257 |
| Postal Code: | 57170 |
| Mayor: | Guy L'Huillier[1] |
| Term: | 2022 - 2026 |
| Intercommunality: | CC du Saulnois |
| Coordinates: | 48.8008°N 6.4061°W |
| Elevation M: | 220 |
| Elevation Min M: | 205 |
| Elevation Max M: | 313 |
| Area Km2: | 9.04 |
Grémecey (pronounced as /fr/;) is a commune in the Moselle department in Grand Est in north-eastern France.