| Valmunster | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Valmunster 57.svg |
| Arrondissement: | Forbach-Boulay-Moselle |
| Canton: | Boulay-Moselle |
| Insee: | 57691 |
| Postal Code: | 57220 |
| Mayor: | Denis Butterbach[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Houve-Pays Boulageois |
| Coordinates: | 49.2428°N 6.5081°W |
| Elevation M: | 115 |
| Elevation Min M: | 209 |
| Elevation Max M: | 320 |
| Area Km2: | 3.14 |
Valmunster (German: Walmünster) is a commune in the Moselle department in Grand Est in north-eastern France.