Mietoinen (; ) is a former municipality of Finland. It was joined to the municipality of Mynämäki in the beginning of the year 2007. Mietoinen is located in the province of Western Finland and is part of the Southwest Finland region. The municipality had a population of 1,697 (31 December 2006) and it covered a land area of . The population density was . The municipality was unilingually Finnish. References External links Mietoinen – village portal Municipality of Mynämäki – official site Former municipalities of Finland Populated places disestablished in 2007