Thalheim bei Wels is a town in the Wels-Land district in the Austrian state of Upper Austria.
It is situated on the right bank of the river Traun, opposite the city of Wels. About 11.6% of the municipality is forest, 69% is farmland.
- Thalheim bei Wels
- Pilgrimage church Maria Schauersberg, consecrated around 1490.
- Marienwarte, a 19th-century observation tower, offers a panorama of the surrounding country. On clear days, the Alps can be seen.