Gmina Świerklany is a rural gmina (administrative district) in Rybnik County, Silesian Voivodeship, in southern Poland.

Its seat is the village of Jankowice Rybnickie, which lies approximately 6 kilometres (4 mi) south of Rybnik and 41 km (25 mi) south-west of the regional capital Katowice.

Until 1999 its seat was Świerklany Górne.

The gmina covers an area of 24.17 square kilometres (9.33 sq mi), and as of 2019 its total population is 12,445.

Gmina Świerklany is bordered by the towns of Jastrzębie-Zdrój, Rybnik and Żory, and by the gminas of Marklowice and Mszana.