William V, Prince of Wied (German: Wilhelm Adolph Maximilian Karl Fürst von Wied; 1845–1907) was a German officer politician. He was the father of William, Prince of Albania brother of Queen Elisabeth of Romania. William was the second child first son of Hermann, Prince of Wied (1814–1864). Politically, William was a supporter of colonial policy. Between 1891 1892 he was chairman of the German anti-slavery committees. This funded include expeditions to unexplored areas in Africa.