Piaseczny may refer to:
People Andrzej Piaseczny (born 1971) more commonly known as Piasek, is a Polish singer
Places Babiec Piaseczny, a village in the administrative district of Gmina Rościszewo Osiek Piaseczny, a village in the administrative district of Gmina Zawidz
See also Piaseczno (disambiguation)