| Lagrange | |
| Commune Status: | Commune |
| Arrondissement: | Mont-de-Marsan |
| Canton: | Haute Lande Armagnac |
| Insee: | 40140 |
| Postal Code: | 40240 |
| Mayor: | Christian Sourbès[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Landes d'Armagnac |
| Coordinates: | 43.9739°N -0.0989°W |
| Elevation M: | 125 |
| Elevation Min M: | 90 |
| Elevation Max M: | 167 |
| Area Km2: | 21.13 |
Lagrange (pronounced as /fr/; oc|La Granja) is a commune in the Landes department in Nouvelle-Aquitaine in south-western France.