Iłowa [iˈwɔva] (German: Halbau) is a town in Żagań County, Lubusz Voivodeship, Poland, the administrative seat of the Gmina Iłowa. It lies in the Polish part of the Upper Lusatia region at the Czerna Mała river, a tributary to the Bóbr, just south of the future A18 motorway.