| Le Châtelet-en-Brie | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Le châtelet-en-Brie.svg |
| Coordinates: | 48.5053°N 2.7933°W |
| Insee: | 77100 |
| Postal Code: | 77820 |
| Arrondissement: | Melun |
| Canton: | Nangis |
| Mayor: | Patricia Torcol[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Brie des Rivières et Châteaux |
| Elevation Min M: | 57 |
| Elevation Max M: | 113 |
| Area Km2: | 22.71 |
Le Châtelet-en-Brie (in French lə ʃɑtlɛ ɑ̃ bʁi/) is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
The inhabitants are called Châtelains in French.