Piasek Częstochowa County
 Piasek [ˈpjasɛk] is a village in the administrative district of Gmina Janów within Częstochowa County Silesian Voivodeship in southern Poland. It lies approximately 4 kilometres (2 mi) west of Janów 21 km (13 mi) east of Częstochowa and 61 km (38 mi) north-east of the regional capital Katowice.The village has a population of 331.