Nakkila (Finnish pronunciation: [ˈnɑkːilɑ]) is a municipality of Finland. It is located in the province of Western Finland and is part of the Satakunta region, 19 kilometres (12 mi) southeast of Pori. The Kokemäki River flows along the center of Nakkila. The municipality has a population of 4,890 (31 December 2025) and covers an area of 184.88 square kilometres (71.38 sq mi) of which 1.97 km² (0.76 sq mi) is water. The population density is 26.73 inhabitants per square kilometre (69.2/sq mi). The municipality is unilingually Finnish. The name Nackeby was earlier used in Swedish.

There are two major sights, the Nakkila Church and the film studio Villilä, often referred as "Hollywood of Finland". Nakkila is also well known for the European river lampreys, which are a traditional food of the locality.

In the early days of the Continuation War, Järvikylä, Nakkila was a target of a strange bombing, when the Soviet bombers carried out the only air bombing of the Satakunta region. The reason of the bombing is still unknown.

Nakkila's most significant industrial companies are Nakkila Works konepaja and Länsi-Suomen Voima Oy's hydropower plant. Smaller industrial activities have been represented by the carpentry industry. The Suominen Corporation's nonwovens factory (formerly Suomisen nahkatehdas) has also been a major employer, but much of the production has been shut down by the end of 2012.

The year following the name of the village indicates when the first document entry is known about the village.

Arantila, Anola (1410), Hormisto, Järvikylä, Kivialho, Kukonharja (1354), Lammainen (1348), Leistilä (1441), Masia, Matomäki, Pakkala, Punapakka, Penttala, Pysykykangas, Ruskila, Soinila, Tattara (1441), Tervasmäki, Uotinmäki, Viikkala, Villilä(1451), Vuohimäki, Hohtari.

Nakkila's most significant road is valtatie 2 between Helsinki and Pori. The Tampere-Pori railway also passes through Nakkila. Nakkila is served by OnniBus.com route Helsinki—Pori.

Results of the 2011 Finnish parliamentary election in Nakkila: