William of Hesse

William of Hesse may refer to:


 * William I, Landgrave of Hesse (1466–1515), German nobility
 * William II, Landgrave of Hesse (1469–1509), German nobility
 * William IV, Landgrave of Hesse-Kassel (1532-1592), German nobility
 * William I, Elector of Hesse (1743-1821), German nobility
 * Prince William of Hesse, or Landgrave William of Hesse-Kassel (1787-1867), German nobility