| Saint-Germain-le-Châtelet | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Saint-Germain-le-Châtelet.svg |
| Coordinates: | 47.6961°N 6.9586°W |
| Insee: | 90091 |
| Postal Code: | 90110 |
| Arrondissement: | Belfort |
| Canton: | Giromagny |
| Mayor: | Jean-Luc Anderhueber[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Vosges du Sud |
| Elevation Min M: | 365 |
| Elevation Max M: | 540 |
| Area Km2: | 3.36 |
Saint-Germain-le-Châtelet (in French pronounced as /sɛ̃ ʒɛʁmɛ̃ lə ʃatlɛ/) is a commune in the Territoire de Belfort department in Bourgogne-Franche-Comté in northeastern France.