Waldemar II, Prince of Anhalt-Zerbst (died bef.
24 August 1371) was a German prince of the House of Ascania and ruler of the Principality of Anhalt-Zerbst.
He was the eldest child and only son of Waldemar I, Prince of Anhalt-Zerbst by his first wife Elisabeth, daughter of Rudolf I, Elector of Saxony and Duke of Saxe-Wittemberg.
After the death of his father in 1368, Waldemar became the new co-ruler of the principality of Anhalt-Zerbst with his cousin John II.
After his death unmarried and childless, he was succeeded by John II, who became the sole ruler over Anhalt-Zerbst.