Gmina Gromnik is a rural gmina (administrative district) in Tarnów County, Lesser Poland Voivodeship, in southern Poland. Its seat is the village of Gromnik, which lies approximately south of Tarnów and east of the regional capital Kraków.
The gmina covers an area of , and as of 2006 its total population is 8,348.
The gmina contains part of the protected area called CiÃÂà ¼kowice-Roà ¼nów Landscape Park.
Gmina Gromnik contains the villages and settlements of Brzozowa, Chojnik, Golanka, Gromnik, Polichty, Rzepiennik Marciszewski and Siemiechów.
Gmina Gromnik is bordered by the gminas of CiÃÂà ¼kowice, Pleà Âna, Rzepiennik Strzyà ¼ewski, Tuchów and Zakliczyn.