Princess Marie of Prussia (Marie Elisabeth Luise Friederike; 14 September 1855, Marmorpalais, Potsdam – 20 June 1888, Dresden), was a princess of the House of Hohenzollern. She was the daughter of Prince Frederick Charles of Prussia and later became second wife of Prince Henry of the Netherlands then the first wife of Prince Albert of Saxe-Altenburg. She was also the great-niece of Wilhelm I, German Emperor.