Viktoria Luise Adelheid Mathilde Charlotte von Preußen, Herzogin zu Braunschweig-Lüneburg, Prinzessin von Hannover, Prinzessin von Großbritannien und Irland; 13 September 1892 – 11 December 1980) was the only daughter and the last child of German Emperor Wilhelm II and Empress Augusta Victoria. She was their last surviving child. Princess Victoria Louise is the maternal grandmother of Queen Sophia of Spain and the former King Constantine II of the Hellenes. She was the Duchess of Brunswick.