| Treffort | |
| Commune Status: | Commune |
| Arrondissement: | Grenoble |
| Canton: | Matheysine-Trièves |
| Insee: | 38513 |
| Postal Code: | 38650 |
| Mayor: | Pierrick Bonenfant[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.9164°N 5.6589°W |
| Elevation M: | 618 |
| Elevation Min M: | 486 |
| Elevation Max M: | 1070 |
| Area Km2: | 11 |
Treffort (in French pronounced as /tʁefɔʁ/; Occitan (post 1500);: Trafòrt) is a commune in the Isère department in the Auvergne-Rhône-Alpes region in Southeastern France.[2]