| Couthures-sur-Garonne | |
| Commune Status: | Commune |
| Arrondissement: | Marmande |
| Canton: | Marmande-1 |
| Insee: | 47074 |
| Postal Code: | 47180 |
| Mayor: | Jean-Michel Moreau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Val de Garonne Agglomération |
| Coordinates: | 44.5144°N 0.0792°W |
| Elevation M: | 17 |
| Elevation Min M: | 12 |
| Elevation Max M: | 22 |
| Area Km2: | 6.98 |
Couthures-sur-Garonne (in French pronounced as /kutyʁ syʁ ɡaʁɔn/; Occitan (post 1500);: Coturas de Garòna) is a commune in the Lot-et-Garonne department, southwestern France.