Osusznica [ɔsuʂˈnit͡sa] is a village in Gmina Lipnica, Bytów County, Pomeranian Voivodeship, in northern Poland. It lies approximately 14 kilometres (9 mi) south-west of Bytów and 57 km (35 mi) south-west of Gdańsk (capital city of the Pomeranian Voivodeship). It is located within the ethnocultural region of Kashubia in the historic region of Pomerania.

Osusznica was a royal village of the Polish Crown, administratively located in the Człuchów County in the Pomeranian Voivodeship.

From 1975 to 1998 the village was in Słupsk Voivodeship.

• Henryk Mądrawski [pl] (1933–2009), Polish painter, born in the village

• "GUS (Central Statistical Office)" (in Polish).
• Map of the Gmina Lipnica