| Lalley | |
| Commune Status: | Commune |
| Arrondissement: | Grenoble |
| Canton: | Matheysine-Trièves |
| Insee: | 38204 |
| Postal Code: | 38930 |
| Mayor: | Marie-Pierre Drain[1] |
| Term: | 2022 - 2026 |
| Intercommunality: | Trièves |
| Coordinates: | 44.7586°N 5.6769°W |
| Elevation Min M: | 673 |
| Elevation Max M: | 2045 |
| Area Km2: | 24 |
Lalley (in French pronounced as /lalɛ/) is a commune in the Isère department in southeastern France.