Gmina Brenna is a rural gmina (administrative district) in Cieszyn County, Silesian Voivodeship, in southern Poland, in the historical region of Cieszyn Silesia. Its seat is the village of Brenna.
The gmina covers an area of , and as of 2019 its total population is 11,222.
Gmina Brenna contains villages of Brenna, Górki Maà Âe and Górki Wielkie.
Gmina Brenna is bordered by the gminas of Skoczów, Jasienica, Jaworze, Bielsko-Biaà Âa, Szczyrk, Wisà Âa and Ustroà Â.
Gmina Brenna is twinned with: