| Willer-sur-Thur | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Willer-sur-Thur (68).svg |
| Arrondissement: | Thann-Guebwiller |
| Canton: | Cernay |
| Insee: | 68372 |
| Postal Code: | 68760 |
| Mayor: | Jean-Luc Martini[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Thann-Cernay |
| Coordinates: | 47.8444°N 7.0736°W |
| Elevation M: | 370 |
| Elevation Min M: | 356 |
| Elevation Max M: | 1183 |
| Area Km2: | 18.0 |
Willer-sur-Thur (German: Weiler an der Thur) is a commune in the Haut-Rhin department in Grand Est in north-eastern France.