| Génissieux | |
| Commune Status: | Commune |
| Arrondissement: | Valence |
| Canton: | Romans-sur-Isère |
| Intercommunality: | CA Valence Romans Agglo |
| Insee: | 26139 |
| Postal Code: | 26750 |
| Mayor: | Catherine Peltier[1] |
| Term: | 2023 - 2026 |
| Coordinates: | 45.0844°N 5.0853°W |
| Elevation M: | 164 |
| Elevation Min M: | 177 |
| Elevation Max M: | 303 |
| Area Km2: | 8.93 |
Génissieux (in French pronounced as /ʒenisjø/; Occitan (post 1500);: Geniciu) is a commune in the Drôme department in southeastern France.