| Lalanne | |
| Commune Status: | Commune |
| Arrondissement: | Condom |
| Canton: | Fleurance-Lomagne |
| Insee: | 32184 |
| Postal Code: | 32500 |
| Mayor: | Pierre Caubet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Lomagne Gersoise |
| Coordinates: | 43.7981°N 0.685°W |
| Elevation M: | 125 |
| Elevation Min M: | 90 |
| Elevation Max M: | 144 |
| Area Km2: | 5.55 |
Lalanne (pronounced as /fr/; oc|La Lana) is a commune in the Gers department in southwestern France.