| Lonçon | |
| Commune Status: | Commune |
| Arrondissement: | Pau |
| Canton: | Artix et Pays de Soubestre |
| Insee: | 64347 |
| Postal Code: | 64410 |
| Mayor: | Patrick Bendail[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Luys en Béarn |
| Coordinates: | 43.4706°N -0.4242°W |
| Elevation M: | 172 |
| Elevation Min M: | 135 |
| Elevation Max M: | 258 |
| Area Km2: | 5.52 |
Lonçon (in French pronounced as /lɔ̃sɔ̃/; Occitan (post 1500);: Lonson) is a commune in the Pyrénées-Atlantiques department in south-western France.