| Uchentein | |
| Arrondissement: | Saint-Girons |
| Canton: | Couserans Ouest |
| Insee: | 09317 |
| Postal Code: | 09800 |
| Commune: | Bordes-Uchentein |
| Coordinates: | 42.8892°N 1.0017°W |
| Elevation M: | 968 |
| Elevation Min M: | 640 |
| Elevation Max M: | 1360 |
| Area Km2: | 4.02 |
| Population: | 19 |
| Population Date: | 2021 |
| Population Footnotes: | [1] |
Uchentein is a former commune in the Ariège department in southwestern France. On 1 January 2017, it was merged into the new commune Bordes-Uchentein.[2]