Pomarkku (Swedish:Påmark) is a municipality of Finland.
It is located in the province of Western Finland and is part of the Satakunta region. The municipality has a population of 2,232 (31 March 2016) and covers an area of 332.04 square kilometres (128.20sqmi) of which 30.95km (11.95sqmi) is water. The population density is 7.41 inhabitants per square kilometre (19.2/sqmi).