Gmina Leśna is an urban-rural gmina (administrative district) in Lubań County, Lower Silesian Voivodeship, in south-western Poland.

Its seat is the town of Leśna, which lies approximately 11 kilometres (7 mi) south of Lubań, and 125 kilometres (78 mi) west of the regional capital Wrocław.

The gmina covers an area of 104.5 square kilometres (40.3 sq mi), and as of 2019 its total population is 10,013.

Apart from the town of Leśna, the gmina contains the villages of Bartoszówka, Grabiszyce Dolne, Grabiszyce Górne, Grabiszyce Średnie, Kościelniki Górne, Kościelniki Górne-Janówka, Kościelniki Średnie, Miłoszów, Pobiedna, Smolnik, Smolnik-Jurków, Stankowice, Stankowice-Sucha, Świecie, Szyszkowa, Wolimierz, Zacisze, Złotniki Lubańskie and Złoty Potok.

This Lubań County location article is a stub.