| Gmina Żarnów | |
| Other Name: | Żarnów Commune |
| Settlement Type: | Gmina |
| Total Type: | Total |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Łódź |
| Subdivision Type2: | County |
| Subdivision Name2: | Opoczno |
| Area Total Km2: | 140.7 |
| Population Total: | 6260 |
| Population As Of: | 2006 |
| Population Density Km2: | auto |
| Coor Pinpoint: | Żarnów |
| Coordinates: | 51.2472°N 20.1706°W |
| Seat: | Żarnów |
Gmina Żarnów is a rural gmina (administrative district) in Opoczno County, Łódź Voivodeship, in central Poland. Its seat is the village of Żarnów, which lies approximately 18km (11miles) south-west of Opoczno and 770NaN0 south-east of the regional capital Łódź.
The gmina covers an area of 140.7km2, and as of 2006 its total population is 6,260.
Gmina Żarnów contains the villages and settlements of Adamów, Afryka, Antoniów, Bronów, Budków, Chełsty, Dąbie, Dłużniewice, Grębenice, Jasion, Kamieniec, Klew, Klew-Kolonia, Ławki, Łysa Góra, Malenie, Malków, Marcinków, Miedzna Murowana, Młynek, Myślibórz, Nadole, Niemojowice, Niemojowice-Kolonia, Nowa Góra, Odrowąż, Paszkowice, Pilichowice, Poręba, Ruszenice, Ruszenice-Kolonia, Siedlów, Sielec, Skórkowice, Skumros, Soczówki, Straszowa Wola, Tomaszów, Topolice, Trojanowice, Widuch, Wierzchowisko, Żarnów and Zdyszewice.
Gmina Żarnów is bordered by the gminas of Aleksandrów, Białaczów, Fałków, Końskie, Paradyż and Ruda Maleniecka.