The Bielsko-Biała Museum, also known as the Castle of the Sułkowski Princes (Polish: Zamek książąt Sułkowskich) is a museum for the city of Bielsko-Biała, Poland located in the historical Bielsko Castle. Three local branches of the museum have been established since the 1970s: the Julian Fałat Museum, the Museum of Technology and Textile Industry, and the Weaver's House Museum.