| Gaujac | |
| Commune Status: | Commune |
| Arrondissement: | Marmande |
| Canton: | Marmande-1 |
| Insee: | 47108 |
| Postal Code: | 47200 |
| Mayor: | Jean-François Thoumazeau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Val de Garonne Agglomération |
| Coordinates: | 44.4906°N 0.1114°W |
| Elevation M: | 6 |
| Elevation Min M: | 13 |
| Elevation Max M: | 22 |
| Area Km2: | 7.33 |
Gaujac (in French pronounced as /ɡoʒak/) is a commune in the Lot-et-Garonne department in south-western France.