| Luemschwiller | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Luemschwiller (68).svg |
| Arrondissement: | Altkirch |
| Canton: | Altkirch |
| Insee: | 68191 |
| Postal Code: | 68720 |
| Mayor: | Germain Goepfert[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.6558°N 7.29°W |
| Elevation M: | 315 |
| Elevation Min M: | 283 |
| Elevation Max M: | 408 |
| Area Km2: | 7.27 |
Luemschwiller (in French pronounced as /lymʃvilɛʁ/;) is a commune in the Haut-Rhin department in Alsace in north-eastern France.