| Siersthal | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Siersthal 57.svg |
| Arrondissement: | Sarreguemines |
| Canton: | Bitche |
| Insee: | 57651 |
| Postal Code: | 57410 |
| Mayor: | Daniel Zintz[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC du Pays de Bitche |
| Coordinates: | 49.0442°N 7.3492°W |
| Elevation M: | 215 |
| Elevation Min M: | 258 |
| Elevation Max M: | 403 |
| Area Km2: | 10.51 |
Siersthal (pronounced as /fr/; Lorraine Franconian: Siirschel) is a commune in the Moselle department of the Grand Est administrative region in north-eastern France.
The village belongs to the Pays de Bitche and to the Northern Vosges Regional Nature Park. It is away from the Franco-German border.
The area of Siersthal is, population density is .
The map below shows the location of Siersthal with key infrastructure and adjacent municipalities.