| Saint-Just | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Just (Hérault).svg |
| Arrondissement: | Montpellier |
| Canton: | Lunel |
| Insee: | 34272 |
| Postal Code: | 34400 |
| Mayor: | Yves Quesada[1] |
| Term: | 2022 - 2026 |
| Intercommunality: | Pays de Lunel |
| Coordinates: | 43.6581°N 4.1147°W |
| Elevation M: | 10 |
| Elevation Min M: | 2 |
| Elevation Max M: | 9 |
| Area Km2: | 6.08 |
Saint-Just (in French pronounced as /sɛ̃ ʒyst/; Provençal: Sant Just) is a commune in the Hérault department in the Occitanie region in southern France.