Pniaki Mokrzeskie [ˈpɲaki mɔˈkʂɛskʲɛ] is a village in the administrative district of Gmina Mstów, within Częstochowa County, Silesian Voivodeship, in southern Poland. It lies approximately 11 kilometres (7 mi) east of Mstów, 23 km (14 mi) east of Częstochowa, and 70 km (43 mi) north-east of the regional capital Katowice.