Kamień Krajeński is a town situated in Sępólno County within the Kuyavian-Pomeranian Voivodeship of northern Poland. As of the 2010 census, the municipality had a population of 2,344 inhabitants.
The town is located within the ethnocultural region of Krajna. It serves as a local settlement characterized by its position in the Kuyavian-Pomeranian region.