Pomarkku (Swedish: Påmark) is a municipality of Finland.
It is located in the Satakunta region. The municipality has a population of 1,948 (31 August 2024) and covers an area of 332.05 square kilometres (128.21 sq mi) of which 30.95 km2 (11.95 sq mi) is water. The population density is 6.47 inhabitants per square kilometre (16.8/sq mi).
The municipality is unilingually Finnish.