| Cernion | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Cernion.svg |
| Arrondissement: | Charleville-Mézières |
| Canton: | Signy-l'Abbaye |
| Insee: | 08094 |
| Postal Code: | 08260 |
| Mayor: | Patricia Felix[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Ardennes Thiérache |
| Coordinates: | 49.7983°N 4.4314°W |
| Elevation M: | 285 |
| Area Km2: | 6.58 |
Cernion is a commune in the Ardennes department in northern France.