Bielitz District (German: Politischer Bezirk Bielitz, Polish: Powiat polityczny Bielsko) was a political district (equivalent to powiat in Poland) in Austrian Silesia of the Austrian Empire (and since 1867 of Austria-Hungary) existing between 1850–1855 and 1868–1920. Seat of its district captaincy and administrative center was the city of Bielitz (now Bielsko-Biała, Poland).