| Gavarret-sur-Aulouste | |
| Commune Status: | Commune |
| Arrondissement: | Condom |
| Canton: | Fleurance-Lomagne |
| Insee: | 32142 |
| Postal Code: | 32390 |
| Mayor: | Éric Biz[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Lomagne Gersoise |
| Coordinates: | 43.7725°N 0.6531°W |
| Elevation M: | 199 |
| Elevation Min M: | 94 |
| Elevation Max M: | 201 |
| Area Km2: | 8.38 |
Gavarret-sur-Aulouste (in French pronounced as /ɡavaʁɛ syʁ olust/; Occitan (post 1500);: Gavarret) is a commune in the Gers department in southwestern France.