| Jas | |
| Commune Status: | Commune |
| Arrondissement: | Montbrison |
| Canton: | Feurs |
| Insee: | 42113 |
| Postal Code: | 42110 |
| Mayor: | Marc Rodrigue[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.7464°N 4.3111°W |
| Elevation M: | 536 |
| Elevation Min M: | 368 |
| Elevation Max M: | 571 |
| Area Km2: | 6.22 |
Jas is a commune in the Loire department in central France.