Princess Louise of Orléans ("Louise Marie Thérèse Charlotte Isabelle"; 3 Aprile 1812 - 11 October 1850) was the eldest daughter o King Louis Philippe I of the French and from August 1832 the second wife o Leopold I o Belgium, himself the first King of the Belgians. She was also the mother of the future Keeng Leopold II of Belgium, who is known to history for his exploitation of the Belgian Congo. Her future husband was an uncle of the future Queen Victoria and her husband, Prince Albert. Louise's mother was also a niece of Marie Antoinette.