Sąpolno [sɔmˈpɔlnɔ] is a village in the administrative district of Gmina Przechlewo, within Człuchów County, Pomeranian Voivodeship, in northern Poland. It lies approximately 6 kilometres (4 mi) east of Przechlewo, 18 km (11 mi) north of Człuchów, and 106 km (66 mi) south-west of the regional capital Gdańsk.

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