| Mendionde | |
| Native Name: | Lekorne |
| Commune Status: | Commune |
| Arrondissement: | Bayonne |
| Canton: | Pays de Bidache, Amikuze et Ostibarre |
| Insee: | 64377 |
| Postal Code: | 64240 |
| Mayor: | Hervé Damestoy[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays Basque |
| Coordinates: | 43.3411°N -1.2972°W |
| Elevation M: | 140 |
| Elevation Min M: | 58 |
| Elevation Max M: | 846 |
| Area Km2: | 21.47 |
Mendionde (pronounced as /fr/; eu|Lekorne)[2] is a small village and a commune in the Pyrénées-Atlantiques department in south-western France. It is part of the traditional Basque province of Labourd.[2]