Beatrix of Saxe-Wittenberg

Beatrix of Saxe-Wittenberg (died after 26 February 1345) was an Ascanian princess, the daughter of Duke and Elector Rudolf I of Saxe-Wittenberg and Jutta of Brandenburg. In 1337 she became the second wife of Albert II, Prince of Anhalt-Zerbst, while her sister Elisabeth married his brother and co-ruler Waldemar I.

The couple had five children, among them Albert III and John II, who both ruled Anhalt-Zerbst. Beatrix died at Coswig convent after February 1345.