| Lagnes | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Lagnes (Vaucluse).svg |
| Arrondissement: | Apt |
| Canton: | Cheval-Blanc |
| Insee: | 84062 |
| Postal Code: | 84800 |
| Mayor: | Claude Silvestre[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Luberon Monts de Vaucluse |
| Coordinates: | 43.8942°N 5.1153°W |
| Elevation M: | 110 |
| Elevation Min M: | 64 |
| Elevation Max M: | 622 |
| Area Km2: | 16.93 |
Lagnes (in French pronounced as /laɲ/; Occitan (post 1500);: Lanhas) is a commune in the Vaucluse department in the Provence-Alpes-Côte d'Azur region in southeastern France.