| Châtenoy | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Châtenoy (Seine-et-Marne).svg |
| Coordinates: | 48.2325°N 2.6269°W |
| Insee: | 77102 |
| Postal Code: | 77167 |
| Arrondissement: | Fontainebleau |
| Canton: | Nemours |
| Mayor: | Denis Céladon[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 100 |
| Elevation Max M: | 119 |
| Area Km2: | 4.87 |
Châtenoy is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
The inhabitants are called Castelnéociens.