| Maumusson-Laguian | |
| Commune Status: | Commune |
| Arrondissement: | Mirande |
| Canton: | Adour-Gersoise |
| Insee: | 32245 |
| Postal Code: | 32400 |
| Mayor: | Guy Capmartin[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.6087°N -0.0976°W |
| Elevation M: | 145 |
| Elevation Min M: | 112 |
| Elevation Max M: | 184 |
| Area Km2: | 9.30 |
Maumusson-Laguian (pronounced as /fr/; oc|Maumusson e Laguian) is a commune in the Gers department in southwestern France.