Barbara of Brandenburg, Duchess of Brieg

Barbara of Brandenburg (10 August 1527 – Brzeg, 2 January 1595), was a German princess member of the House of Hohenzollern She was a Margravine of Brandenburg by birth and by marriage a Duchess of Brieg (Brzeg).

She was the second child but eldest daughter of Joachim II Hector, Elector of Brandenburg, by his first wife Magdalena, daughter of George, Duke of Saxony.