| Bourg-sous-Châtelet | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Bourg-sous-Châtelet.svg |
| Coordinates: | 47.7028°N 6.9483°W |
| Insee: | 90016 |
| Postal Code: | 90110 |
| Arrondissement: | Belfort |
| Canton: | Giromagny |
| Mayor: | Armand Nawrot[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Vosges du Sud |
| Elevation Min M: | 386 |
| Elevation Max M: | 481 |
| Area Km2: | 0.84 |
Bourg-sous-Châtelet (in French pronounced as /buʁ su ʃatlɛ/) is a commune in the Territoire de Belfort department in Bourgogne-Franche-Comté in northeastern France.