| Longechenal | |
| Commune Status: | Commune |
| Arrondissement: | Vienne |
| Canton: | Le Grand-Lemps |
| Insee: | 38213 |
| Postal Code: | 38690 |
| Mayor: | Charles Ferrand[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Bièvre Isère |
| Coordinates: | 45.4197°N 5.3483°W |
| Elevation M: | 498 |
| Elevation Min M: | 489 |
| Elevation Max M: | 671 |
| Area Km2: | 8.12 |
Longechenal (in French pronounced as /lɔ̃ʒʃənal/) is a commune in the Isère department in southeastern France.