Prince Waldemar

Prince Waldemar or Valdemar may refer to:

Anhalt-Köthen, a German principality

 * Waldemar I, Prince of Anhalt-Zerbst (died 1368)
 * Waldemar II, Prince of Anhalt-Zerbst (died 1371)
 * Waldemar III, Prince of Anhalt-Zerbst (died 1391)
 * Waldemar V, Prince of Anhalt-Köthen (died 1436)
 * Waldemar VI, Prince of Anhalt-Köthen (1450–1508)

Other places

 * Waldemar IV, Prince of Anhalt-Dessau (died after 22 July 1417)
 * Prince Valdemar of Denmark (1858–1939)
 * Prince Waldemar of Prussia (disambiguation), several people
 * Woldemar, Prince of Lippe (1824–1895)