| Lapenne | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Lapenne (Ariège).svg |
| Arrondissement: | Pamiers |
| Canton: | Mirepoix |
| Insee: | 09153 |
| Postal Code: | 09500 |
| Mayor: | Lucien Palmade[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays de Mirepoix |
| Coordinates: | 43.1467°N 1.7511°W |
| Elevation M: | 350 |
| Elevation Min M: | 244 |
| Elevation Max M: | 410 |
| Area Km2: | 21.57 |
Lapenne (in French pronounced as /lapɛn/; Occitan (post 1500);: La Pena) is a commune in the Ariège department in southwestern France.