Jasionów [jaˈɕɔnuf] is a village in the administrative district of Gmina Trzebiel, within Żary County, Lubusz Voivodeship, in western Poland, close to the German border. It lies approximately 5 kilometres (3 mi) south-east of Trzebiel, 20 km (12 mi) west of Żary, and 59 km (37 mi) south-west of Zielona Góra.