| Cerneux | |
| Commune Status: | Commune |
| Coordinates: | 48.6939°N 3.3464°W |
| Insee: | 77066 |
| Postal Code: | 77320 |
| Arrondissement: | Provins |
| Canton: | Provins |
| Mayor: | Olivier Mazzuchelli[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Provinois |
| Elevation Min M: | 132 |
| Elevation Max M: | 192 |
| Area Km2: | 22.10 |
Cerneux (in French pronounced as /sɛʁnø/) is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
The river Aubetin forms part of the commune's southern border.
The inhabitants are called Cernois.