| Courbiac | |
| Commune Status: | Commune |
| Arrondissement: | Villeneuve-sur-Lot |
| Canton: | Le Fumélois |
| Insee: | 47072 |
| Postal Code: | 47370 |
| Mayor: | José Le Corre[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Fumel Vallée du Lot |
| Coordinates: | 44.3783°N 1.04°W |
| Elevation M: | 100 |
| Elevation Min M: | 136 |
| Elevation Max M: | 272 |
| Area Km2: | 9.05 |
Courbiac (in French pronounced as /kuʁbjak/; Occitan (post 1500);: Corbiac) is a commune in the Lot-et-Garonne department in south-western France. It is located 30 km east of Villeneuve-sur-Lot.