Unisław Śląski (Polish pronunciation: [uˈɲiswaf ˈɕlɔ̃skʲi]) is a village in the administrative district of Gmina Mieroszów, within Wałbrzych County, Lower Silesian Voivodeship, in south-western Poland.

Main historic sights include the Gothic Catholic Church of the Assumption, ruins of an 18th-century Lutheran church, and a 19th-century railway tunnel.

In Langwaltersdorf, today's Unisław Śląski, a macabre crime described all over the world took place.

The shocking story took place in the summer of 1895, when the crime was committed by a German woman.

This Wałbrzych County location article is a stub.