Louise of Prussia () may refer to:
Princess Louise Dorothea of Prussia (1680–1705), daughter of Frederick I of Prussia and wife of Frederick I of Sweden Louisa Ulrika of Prussia (1720–1782), daughter of Frederick William I of Prussia and wife of Adolf Frederick of Sweden Princess Louise of Prussia (1770–1836), daughter of Prince Augustus Ferdinand of Prussia and wife of Prince Anton Radziwill Queen Louise of Prussia (1776–1810), daughter of Charles II, Grand Duke of Mecklenburg-Strelitz and wife of Frederick William III of Prussia Princess Louise of Prussia (1808–1870), daughter of Frederick William III of Prussia and wife of Prince Frederick of the Netherlands Princess Louise of Prussia (1829–1901), daughter of Prince Charles of Prussia and wife of Alexis, Landgrave of Hesse-Philippsthal-Barchfeld Princess Louise of Prussia (1838–1923), daughter of William I of Prussia (later German Emperor) and wife of Frederick I, Grand Duke of Baden Princess Louise Margaret of Prussia (1860–1917), daughter of Prince Frederick Charles of Prussia and wife of Prince Arthur, Duke of Connaught Princess Victoria Louise of Prussia (1892–1980), daughter of William II, German Emperor and wife of Ernest Augustus, Duke of Brunswick