| Saint-Jean-le-Vieux | |
| Commune Status: | Commune |
| Arrondissement: | Grenoble |
| Canton: | Le Moyen Grésivaudan |
| Insee: | 38404 |
| Postal Code: | 38420 |
| Mayor: | Franck Rebuffet-Giraud[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Le Grésivaudan |
| Coordinates: | 45.2°N 5.8833°W |
| Elevation M: | 702 |
| Elevation Min M: | 313 |
| Elevation Max M: | 1169 |
| Area Km2: | 5 |
Saint-Jean-le-Vieux (in French pronounced as /sɛ̃ ʒɑ̃ lə vjø/) is a commune in the Isère department in southeastern France.[2]