| Montgaillard-sur-Save | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Gaudens |
| Canton: | Saint-Gaudens |
| Insee: | 31378 |
| Postal Code: | 31350 |
| Mayor: | Julien Chainet[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.255°N 0.73°W |
| Elevation M: | 369 |
| Elevation Min M: | 255 |
| Elevation Max M: | 363 |
| Area Km2: | 4.13 |
Montgaillard-sur-Save (pronounced as /fr/, literally Montgaillard on Save; oc|Montgalhard de Sava) is a commune in the Haute-Garonne department of southwestern France.