Dobrosułów [dɔbrɔˈsuwuf] is a village in the administrative district of Gmina Bytnica, within Krosno Odrzańskie County, Lubusz Voivodeship, in western Poland. It lies approximately 7 kilometres (4 mi) north-west of Bytnica, 19 km (12 mi) north of Krosno Odrzańskie, 40 km (25 mi) north-west of Zielona Góra, and 60 km (37 mi) south of Gorzów Wielkopolski.