Louise Juliana of Orange-Nassau (31 March 1576 in Delft – 15 March 1644 in Königsberg) was a countess consort of the Palatinate by marriage to Frederick IV, Elector Palatine, and took part in the regency government of her son between 1610 and 1614.
Louise Juliana of Orange-Nassau (born March 31, 1576 in Delft; died March 15, 1644 in Königsberg) was the countess consort of the Palatinate through her marriage to Frederick IV, Elector Palatine, and served as regent for her son from 1610 to 1614.