Bagielnica [baɡʲɛlˈnit͡sa] (Kashubian: Bagiélnica) is a settlement in the administrative district of Gmina Szemud, within Wejherowo County, Pomeranian Voivodeship, in northern Poland. It lies approximately 11 kilometres (7 mi) south-west of Szemud, 22 km (14 mi) south-west of Wejherowo, and 34 km (21 mi) west of the regional capital Gdańsk. For details of the history of the region, see History of Pomerania. The settlement has a population of 16.