| Châtelus | |
| Commune Status: | Commune |
| Arrondissement: | Grenoble |
| Canton: | Le Sud Grésivaudan |
| Insee: | 38092 |
| Postal Code: | 38680 |
| Mayor: | William Thumy[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.0589°N 5.3733°W |
| Elevation M: | 480 |
| Elevation Min M: | 229 |
| Elevation Max M: | 1269 |
| Area Km2: | 12.3 |
Châtelus is a commune in the Isère department in southeastern France.