Keuruu (Swedish: Keuru) is a municipality of Finland. It is located in the province of Western Finland and is part of the Central Finland region. The municipality has a population of 11,262 (2005-01-01) and covers an area of 1,430.79 km² of which 170.17 km² is water. The population density is 8.0 inhabitants per km². The municipality is unilingually Finnish.