Osiecznica ( ) is a village in Bolesławiec County, Lower Silesian Voivodeship, in south-western Poland. It is the seat of the administrative district (gmina) called Gmina Osiecznica.
From 1975 to 1998 Osiecznica was in Jelenia Góra Voivodeship.
Notable residents Abraham Gottlob Werner (1749–1817), German geologist
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