Gmina Piaseczno is an urban-rural gmina (administrative district) in Piaseczno County, Masovian Voivodeship, in east-central Poland. Its seat is the town of Piaseczno, which lies approximately south of Warsaw.
The gmina covers an area of , and as of 2016 its total population is 76,323 (out of which the population of Piaseczno amounts to 44,066, and the population of the rural part of the gmina is 32,257).
The gmina contains part of the protected area called Chojnów Landscape Park.
Apart from the town of Piaseczno, Gmina Piaseczno contains the villages and settlements of Antoninów, Bàkówka, Baszkówka, Bobrowiec, Bogatki, Chojnów, Chylice, Chyliczki, Gà Âosków, Gà Âosków-Letnisko, Goà Âków, Grochowa, Henryków-Urocze, JastrzÃÂbie, Jazgarzew, Jesówka, Józefosà Âaw, Julianów, Kamionka, Kuleszówka, à Âbiska, Mieszkowo, Nowinki, Orzeszyn, PÃÂchery, PÃÂchery-à Âbiska, Pilawa, Pólko, Robercin, Runów, Runów-Osada, Siedliska, Szczaki, Wola Goà Âkowska, Wólka Kozodawska, Wólka PÃÂcherska, Wólka Pracka, à »abieniec, Zalesie Górne and Zà Âotokà Âos.
Gmina Piaseczno is bordered by the city of Warsaw and by the gminas of Góra Kalwaria, Konstancin-Jeziorna, Lesznowola, Praà ¼mów and Tarczyn.