| Goncelin | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Goncelin 38.svg |
| Arrondissement: | Grenoble |
| Canton: | Le Haut-Grésivaudan |
| Insee: | 38181 |
| Postal Code: | 38570 |
| Mayor: | Françoise Midali[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Le Grésivaudan |
| Coordinates: | 45.3436°N 5.9797°W |
| Elevation Min M: | 235 |
| Elevation Max M: | 1278 |
| Area Km2: | 14 |
Goncelin (in French pronounced as /gɔ̃slɛ̃/) is a commune in the Isère department in the Auvergne-Rhône-Alpes region in Southeastern France.