| Barbaste | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Barbaste (Lot-et-Garonnet).svg |
| Arrondissement: | Nérac |
| Canton: | Lavardac |
| Insee: | 47021 |
| Postal Code: | 47230 |
| Mayor: | Valérie Tonin[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.17°N 0.2872°W |
| Elevation M: | 126 |
| Elevation Min M: | 38 |
| Elevation Max M: | 146 |
| Area Km2: | 38.7 |
Barbaste (in French pronounced as /baʁbast/; Occitan (post 1500);: Barbasta) is a commune in the Lot-et-Garonne department in southwestern France.