Paimio (Finnish: [ˈpɑi̯mio]; Swedish: Pemar) is a town and municipality of Finland.
It is located in the province of Western Finland and is part of the Southwest Finland region. The municipality has a population of 11,241 (30 June 2025) and covers an area of 242.26 square kilometres (93.54 sq mi) of which 3.89 km (1.50 sq mi) is water. The population density is 47.13 inhabitants per square kilometre (122.1/sq mi). The municipality is unilingually Finnish.