| Chatonrupt-Sommermont | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Dizier |
| Canton: | Joinville |
| Insee: | 52118 |
| Postal Code: | 52300 |
| Mayor: | Joël Agnus[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Bassin de Joinville en Champagne |
| Coordinates: | 48.4886°N 5.1258°W |
| Elevation M: | 225 |
| Elevation Min M: | 172 |
| Elevation Max M: | 315 |
| Area Km2: | 16.66 |
Chatonrupt-Sommermont (in French pronounced as /ʃatɔ̃ʁy sɔmɛʁmɔ̃/) is a commune in the Haute-Marne department in north-eastern France.