Kolonia Piaski (Polish pronunciation: [kɔˈlɔɲa ˈpjaskʲi]) is a village in the administrative district of Gmina Kunów, within Ostrowiec County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 2 kilometres (1 mi) north of Kunów, 10 km (6 mi) north-west of Ostrowiec Świętokrzyski, and 48 km (30 mi) east of the regional capital Kielce.