| Jaillans | |
| Commune Status: | Commune |
| Arrondissement: | Valence |
| Canton: | Vercors-Monts du Matin |
| Insee: | 26381 |
| Postal Code: | 26300 |
| Mayor: | Jean-Noël Fournat[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Valence Romans Agglo |
| Coordinates: | 45.0292°N 5.1753°W |
| Elevation M: | 294 |
| Elevation Min M: | 159 |
| Elevation Max M: | 395 |
| Area Km2: | 9.04 |
Jaillans (in French pronounced as /ʒajɑ̃/; Occitan (post 1500);: Jalhan) is a commune in the Drôme department in southeastern France.