Kamionka Brodnicka [kaˈmjɔnka brɔdˈnit͡ska] is a village in the administrative district of Gmina Kartuzy, within Kartuzy County, Pomeranian Voivodeship, in northern Poland. It lies approximately 12 kilometres (7 mi) south-west of Kartuzy and 38 km (24 mi) west of the regional capital Gdańsk.

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