| Allein | |
| Official Name: | Comune di Allein Commune d'Allein |
| Coordinates: | 45.8083°N 7.2725°W |
| Province: | none |
| Frazioni: | Ayez, Allamanaz, Allérod, Bruson, Chanté, Chaveroulaz, Chez-Norat, Clavel, Condemine, Dayllon, Frein, Godioz, Martinet, Plan-de-Clavel (chef-lieu), Vallettaz, Ville |
| Area Total Km2: | 8 |
| Population Total: | 207 |
| Population As Of: | 31 December 2022 |
| Population Demonym: | Allençois |
| Elevation M: | 1190 |
| Saint: | Saint Stephen |
| Day: | 26 December |
| Postal Code: | 11010 |
| Area Code: | 0165 |
Allein (Allèn; Valdôtain: Alèn); is a town and comune in the Aosta Valley region of northwestern Italy.[1]