| Boux-sous-Salmaise | |
| Commune Status: | Commune |
| Arrondissement: | Montbard |
| Canton: | Montbard |
| Insee: | 21098 |
| Postal Code: | 21690 |
| Mayor: | Jean-Pierre Millerand[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.4744°N 4.6392°W |
| Elevation M: | 314 |
| Elevation Min M: | 296 |
| Elevation Max M: | 498 |
| Area Km2: | 14.64 |
Boux-sous-Salmaise (pronounced as /fr/) is a commune in the Côte-d'Or department in eastern France.