| Postroff | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Postroff 57.svg |
| Arrondissement: | Sarrebourg-Château-Salins |
| Canton: | Sarrebourg |
| Insee: | 57551 |
| Postal Code: | 57930 |
| Mayor: | Ernest Holtzscherer[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Sarrebourg - Moselle Sud |
| Coordinates: | 48.8514°N 7.08°W |
| Elevation M: | 275 |
| Elevation Min M: | 227 |
| Elevation Max M: | 334 |
| Area Km2: | 5 |
Postroff (in French pronounced as /pɔstʁɔf/;) is a commune in the Moselle department in Grand Est, located in north-eastern France.