Kłączno () is a village in Gmina Studzienice, Bytów County, Pomeranian Voivodeship, in northern Poland, approximately southeast of Bytów and southwest of Gdańsk (capital city of the Pomeranian Voivodeship). From 1975 to 1998 it was in Słupsk Voivodeship. It had a population of 141 in 2004. References Map of the Gmina Studzienice Villages in Bytów County