Bartoszylas [bartɔˈʂɨlas] is a village in the administrative district of Gmina Stara Kiszewa, within Kościerzyna County, Pomeranian Voivodeship, in northern Poland. It lies approximately 5 kilometres (3 mi) west of Stara Kiszewa, 16 km (10 mi) south-east of Kościerzyna, and 55 km (34 mi) south-west of the regional capital Gdańsk.

For details of the history of the region, see History of Pomerania.