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 4,951 (31 October 2024) 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 27.06 inhabitants per square kilometre (70.1/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.