| Grandchamp | |
| Commune Status: | Commune |
| Arrondissement: | Rethel |
| Canton: | Signy-l'Abbaye |
| Insee: | 08196 |
| Postal Code: | 08270 |
| Mayor: | Bernard Portier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Crêtes Préardennaises |
| Coordinates: | 49.6456°N 4.4014°W |
| Elevation M: | 200 |
| Area Km2: | 7.28 |
Grandchamp (in French pronounced as /ɡʁɑ̃ʃɑ̃/) is a commune in the Ardennes department in northern France.