Słowieńsko [swɔˈvjɛɲskɔ] (German: Schlenzig) is a village in the administrative district of Gmina Sławoborze, within Świdwin County, West Pomeranian Voivodeship, in north-western Poland.

It lies approximately 7 kilometres (4 mi) south-west of Sławoborze, 12 km (7 mi) north-west of Świdwin, and 85 km (53 mi) north-east of the regional capital Szczecin.

The village has a population of 320.