The Black House (Ukrainian: Чорна кам'яниця, Chorna Kamyanytsia; Polish: Czarna Kamienica) is a remarkable Renaissance building on the Market Square in the city of Lviv, Ukraine.

Jan Lorencowicz acquired the house in 1596, adding another storey and opening one of the town's first pharmacies on the ground floor.

"Diamond" rustication decorated the facades of many buildings dating from the sixteenth century, including the Black House, built largely during the 1580s.

The surface of the façade is divided by belt courses into three levels, and is completely covered by limestone slabs hewn using a diamond rustication technique.

The décor composition includes a sculpture on the level of the first floor, a white stone border around the portal and windows, and a decorated attic.

According to V. Vuitsyk the facades of Black House and Assumption Church were polychrome namely triglyphs and metopes have traces of red, green, blue and gold paints.

[6] While there are rumors and legends regarding the blackening of the house, blaming the juice of walnut husks or the accumulation of soot from wood-burning heat in the winter, the dark façade of the house is the result of basic oxidation: white lead was used as a primer for the colors of the façade, but over the years exposure to the elements has darkened it entirely.

For the money from the grant is planned to make the waterproofing roof, strengthen walls, to restore the internal and internal facades of the building, interiors on the first floor, to organize courtyard, and to create the conditions for exhibiting collection of architectural and sculptural details from the funds of the Lviv Historical Museum.