| Lacquy | |
| Commune Status: | Commune |
| Arrondissement: | Mont-de-Marsan |
| Canton: | Adour Armagnac |
| Insee: | 40137 |
| Postal Code: | 40120 |
| Mayor: | Patrick Roussarie[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays de Villeneuve en Armagnac Landais |
| Coordinates: | 43.9517°N -0.2731°W |
| Elevation M: | 96 |
| Elevation Min M: | 75 |
| Elevation Max M: | 127 |
| Area Km2: | 19.28 |
Lacquy (in French pronounced as /laki/; Occitan (post 1500);: Laqui) is a commune in the Landes department in Nouvelle-Aquitaine in south-western France.
Lacquy may also refer to a brand of armagnac.