| Châtillon-sous-les-Côtes | |
| Commune Status: | Commune |
| Arrondissement: | Verdun |
| Canton: | Belleville-sur-Meuse |
| Insee: | 55105 |
| Postal Code: | 55400 |
| Mayor: | Chantal Bertrand[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC du pays d'Étain |
| Coordinates: | 49.1458°N 5.5247°W |
| Elevation M: | 245 |
| Elevation Min M: | 224 |
| Elevation Max M: | 381 |
| Area Km2: | 10.68 |
Châtillon-sous-les-Côtes (in French pronounced as /ʃatijɔ̃ su le kot/) is a commune in the Meuse department in Grand Est in north-eastern France.