| Chancenay | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Chancenay 52.svg |
| Arrondissement: | Saint-Dizier |
| Canton: | Saint-Dizier-3 |
| Insee: | 52104 |
| Postal Code: | 52100 |
| Mayor: | Henri Eychenne[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Saint-Dizier Der et Blaise |
| Coordinates: | 48.6711°N 4.9878°W |
| Elevation M: | 162 |
| Elevation Min M: | 151 |
| Elevation Max M: | 212 |
| Area Km2: | 9.86 |
Chancenay (in French pronounced as /ʃɑ̃snɛ/) is a commune in the Haute-Marne department in north-eastern France.