| Saint-Just | |
| Arrondissement: | Les Andelys |
| Canton: | Pacy-sur-Eure |
| Commune: | La Chapelle-Longueville |
| Insee: | 27554 |
| Postal Code: | 27950 |
| Coordinates: | 49.1094°N 1.4419°W |
| Elevation M: | 32 |
| Elevation Min M: | 13 |
| Elevation Max M: | 139 |
| Area Km2: | 4.44 |
| Population: | 1283 |
| Population Date: | 2018 |
| Population Footnotes: | [1] |
Saint-Just (in French pronounced as /sɛ̃ ʒy(st)/) is a former commune in the Eure department of northern France. On 1 January 2017, it was merged into the new commune La Chapelle-Longueville.[2]