Töysä

Töysä is a municipality of Finland.

It is located in the province of Western Finland and is part of the Southern Ostrobothnia region. The municipality has a population of 3,206 (2003) and covers an area of 309.82 km², of which 11.52 km² is water. The population density is 10.7 inhabitants per km².

The municipality is unilingual Finnish.

Töysä is known for its shopping village Tuuri and the Veljekset Keskinen department store.