| Saint-Jean-de-Lier | |
| Commune Status: | Commune |
| Arrondissement: | Dax |
| Canton: | Coteau de Chalosse |
| Insee: | 40263 |
| Postal Code: | 40380 |
| Mayor: | Thierry Dubos[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.7906°N -0.8775°W |
| Elevation M: | 12 |
| Elevation Min M: | 6 |
| Elevation Max M: | 43 |
| Area Km2: | 8.15 |
Saint-Jean-de-Lier (pronounced as /fr/; oc-gascon|Sent Joan de Lièr) is a commune in the Landes department in Nouvelle-Aquitaine in southwestern France.[2]