| Allex | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Allex (Drôme).svg |
| Arrondissement: | Die |
| Canton: | Loriol-sur-Drôme |
| Insee: | 26006 |
| Postal Code: | 26400 |
| Mayor: | Gérard Crozier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Val de Drôme en Biovallée |
| Coordinates: | 44.7647°N 4.9175°W |
| Elevation Min M: | 124 |
| Elevation Max M: | 220 |
| Area Km2: | 20.17 |
Allex (in French pronounced as /alɛks/) is a commune near Crest in the Drôme department in southeastern France. The river Drôme runs nearby.