Huittinen (Swedish: Vittis) is a town and municipality of Finland in the region of Lounais-Suomi. It is located in the Satakunta region. The town has a population of 10,075 (31 January 2019) and covers an area of 539.59 square kilometres (208.34 sq mi) of which 6.97 km2 (2.69 sq mi) is water. The population density is 18.92 inhabitants per square kilometre (49.0/sq mi).
The town is unilingually Finnish.
Risto Ryti, the president of Finland in 1940–44, was born in Huittinen in 1889.
Municipality of Vampula was consolidated with Huittinen on 1 January 2009.