| Saint-Just-en-Brie | |
| Commune Status: | Commune |
| Coordinates: | 48.6139°N 3.1172°W |
| Insee: | 77416 |
| Postal Code: | 77370 |
| Arrondissement: | Provins |
| Canton: | Nangis |
| Mayor: | Sébastien Dromigny[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | La Brie Nangissienne |
| Elevation Min M: | 123 |
| Elevation Max M: | 154 |
| Area Km2: | 7.36 |
Saint-Just-en-Brie (in French pronounced as /sɛ̃ ʒyst ɑ̃ bʁi/) is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.