| Cernon | |
| Commune Status: | Commune |
| Arrondissement: | Châlons-en-Champagne |
| Canton: | Châlons-en-Champagne-3 |
| Insee: | 51106 |
| Postal Code: | 51240 |
| Mayor: | Jean-Marie Rossignon[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC de la Moivre à la Coole |
| Coordinates: | 48.8411°N 4.3447°W |
| Area Km2: | 16.1 |
| Demonym: | Cernonnais, Cernonnaise |
Cernon (in French pronounced as /sɛʁnɔ̃/) is a commune in the Marne department in north-eastern France.