Bartoszówka [bartɔˈʂufka] is a village in the administrative district of Gmina Leśna, within Lubań County, Lower Silesian Voivodeship, in south-western Poland.

It lies approximately 7 kilometres (4 mi) east of Leśna, 14 kilometres (9 mi) south of Lubań, and 119 kilometres (74 mi) west of the regional capital Wrocław.