Grępno [ˈɡrɛmpnɔ] is a settlement in the administrative district of Gmina Kołczygłowy, within Bytów County, Pomeranian Voivodeship, in northern Poland. It lies approximately 17 kilometres (11 mi) south of Kołczygłowy, 21 km (13 mi) west of Bytów, and 99 km (62 mi) west of the regional capital Gdańsk.