| Chesnois-Auboncourt | |
| Commune Status: | Commune |
| Arrondissement: | Rethel |
| Canton: | Signy-l'Abbaye |
| Insee: | 08117 |
| Postal Code: | 08270 |
| Mayor: | Odile Villet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Crêtes Préardennaises |
| Coordinates: | 49.56°N 4.56°W |
| Elevation Min M: | 120 |
| Elevation Max M: | 128 |
| Area Km2: | 5 |
Chesnois-Auboncourt (in French pronounced as /ʃɛnwa obɔ̃kuʁ/) is a commune in the Ardennes department and Grand Est region of north-eastern France.