Gmina Olszyna is an urban-rural gmina (administrative district) in Lubaà  County, Lower Silesian Voivodeship, in south-western Poland. Its seat is the town of Olszyna, which lies approximately south-east of Lubaà Â, and west of the regional capital Wrocà Âaw.
The gmina covers an area of , and as of 2019 its total population is 6,504.
Gmina Olszyna is bordered by the gminas of Gryfów à Âlàski, Leà Âna and Lubaà Â.
Apart from the town of Olszyna, the gmina contains the villages of Biedrzychowice, Boà ¼kowice, Grodnica, Kaà Âuà ¼na, Karà Âowice, Krzewie Maà Âe, Nowa à Âwidnica and Zapusta.
Gmina Olszyna is twinned with: