| Monbrun | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Monbrun (Gers).svg |
| Arrondissement: | Condom |
| Canton: | Gimone-Arrats |
| Insee: | 32262 |
| Postal Code: | 32600 |
| Mayor: | Jean-Jacques Sagansan[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.6631°N 1.0256°W |
| Elevation M: | 230 |
| Elevation Min M: | 158 |
| Elevation Max M: | 225 |
| Area Km2: | 10.8 |
Monbrun (in French pronounced as /mɔ̃bʁœ̃/; Occitan (post 1500);: Montbrun) is a commune in the Gers department in southwestern France.