| Loupiac | |
| Commune Status: | Commune |
| Arrondissement: | Langon |
| Canton: | L'Entre-Deux-Mers |
| Insee: | 33253 |
| Postal Code: | 33410 |
| Mayor: | Patrick Expert[1] |
| Term: | 2023 - 2026 |
| Coordinates: | 44.625°N -0.2992°W |
| Elevation M: | 85 |
| Elevation Min M: | 3 |
| Elevation Max M: | 108 |
| Area Km2: | 9.57 |
Loupiac (in French pronounced as /lupjak/; Occitan (post 1500);: Lopiac) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.