皮亚斯图夫是波兰的城镇，位于该国中部，毗邻首都华沙，由马佐夫舍省负责管辖，始建于十六世纪，面积5.76平方公里，2010年人口22,922，是全国第二人口稠密的城镇。

Piastów [ˈpʲastuf] is a town in central Poland, near Warsaw, with 23,331 inhabitants (2006 est). It is situated in the Masovian Voivodship (since 1999); previously, it was in Warszawa Voivodship (1975–1998). With 3963 persons/km², it is the second most densely populated city in Poland (after Świętochłowice).