| Gmina Żarnowiec | |
| Other Name: | Żarnowiec Commune |
| Settlement Type: | Gmina |
| Total Type: | Total |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Silesian |
| Subdivision Type2: | County |
| Subdivision Name2: | Zawiercie |
| Coor Pinpoint: | Żarnowiec |
| Coordinates: | 50.4844°N 19.8631°W |
| Area Total Km2: | 124.77 |
| Population As Of: | 2019-06-30[1] |
| Population Total: | 4627 |
| Population Density Km2: | auto |
| Seat: | Żarnowiec |
Gmina Żarnowiec is a rural gmina (administrative district) in Zawiercie County, Silesian Voivodeship, in southern Poland. Its seat is the village of Żarnowiec, which lies approximately 32km (20miles) east of Zawiercie and 670NaN0 north-east of the regional capital Katowice.
The gmina covers an area of 124.77km2, and as of 2019 its total population is 4,627.
Gmina Żarnowiec contains the villages and settlements of Brzeziny, Chlina, Chlina Dolna, Jeziorowice, Koryczany, Łany Małe, Łany Średnie, Łany Wielkie, Małoszyce, Ostra Górka, Otola, Otola Mała, Udórz, Wola Libertowska, Zabrodzie, Zamiechówka and Żarnowiec.
Gmina Żarnowiec is bordered by the gminas of Charsznica, Kozłów, Pilica, Sędziszów, Słupia, Szczekociny and Wolbrom.