| Landser | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Landser (68).svg |
| Arrondissement: | Mulhouse |
| Canton: | Brunstatt-Didenheim |
| Insee: | 68174 |
| Postal Code: | 68440 |
| Mayor: | Daniel Adrian[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Saint-Louis Agglomération |
| Coordinates: | 47.6858°N 7.3917°W |
| Elevation M: | 260 |
| Elevation Min M: | 254 |
| Elevation Max M: | 348 |
| Area Km2: | 3.04 |
Landser is a commune in the Haut-Rhin department in Alsace in Northeastern France.[2] In 2019, it had a population of 1,650.