| Montgaillard | |
| Commune Status: | Commune |
| Arrondissement: | Mont-de-Marsan |
| Canton: | Chalosse Tursan |
| Insee: | 40195 |
| Postal Code: | 40500 |
| Mayor: | Patrick Passard[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.7431°N -0.4817°W |
| Elevation M: | 167 |
| Elevation Min M: | 38 |
| Elevation Max M: | 124 |
| Area Km2: | 20.46 |
Montgaillard (in French pronounced as /mɔ̃ɡajaʁ/; Gascon: Montgalhard) is a commune in the Landes department in Nouvelle-Aquitaine in southwestern France.[2]