Piaseczno [pjaˈsɛt͡ʂnɔ] is a village in the administrative district of Gmina Jedlińsk, within Radom County, Masovian Voivodeship, in east-central Poland. It lies approximately 3 kilometres (2 mi) east of Jedlińsk, 13 km (8 mi) north of Radom, and 79 km (49 mi) south of Warsaw.