Brutti Mansion (Slovene: palača Brutti; Italian: palazzo Brutti), also known as Brutti Palace, is an 18th-century mansion in Koper, a port town in southwestern Slovenia. Situated on the north side of Brolo Square (Trg Brolo), it now houses the central library of Koper.

The mansion was built in the late-Baroque style in 1714 according to plans by the architect Giorgio Massari, at the request of Count Barnabi Brutti.^{[citation needed]} Its facade has relief images from the Old Testament of the Bible.

The library is named after the librarian and politician Srečko Vilhar [sl].^{[citation needed]}

45°32′54.24″N 13°43′51.24″E / 45.5484000°N 13.7309000°E / 45.5484000; 13.7309000