| Lugaignac | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Lugaignac (Gironde).svg |
| Arrondissement: | Libourne |
| Canton: | Les Coteaux de Dordogne |
| Insee: | 33257 |
| Postal Code: | 33420 |
| Mayor: | Jean-Claude Delfaut[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.8158°N -0.1925°W |
| Elevation M: | 60 |
| Elevation Min M: | 10 |
| Elevation Max M: | 89 |
| Area Km2: | 3.66 |
Lugaignac (pronounced as /fr/; oc|Luganhac) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.