Gmina Łużna is a rural gmina (administrative district) in Gorlice County, Lesser Poland Voivodeship, in southern Poland. Łużna is located approximately 11 kilometres (7 mi) north-west of Gorlice and 89 km (55 mi) south-east of the regional capital Kraków.
The gmina covers an area of 56.24 square kilometres (21.7 sq mi), and as of 2006 its total population is 8,202.
Gmina Łużna consists of the following villages: Biesna, Bieśnik, Łużna, Mszanka, Szalowa and Wola Łużańska.
Gmina Łużna is surrounded by Bobowa, Gorlice, Grybów and Moszczenica.