Eleonore of Anhalt-Zerbst (10 November 1608, in Zerbst – 2 November 1681, in Østerholm Castle, Als) was a member of the House of Ascania and a princess of Anhalt-Zerbst by birth and by marriage Duchess of Schleswig-Holstein-Sonderburg-Norburg.

The ducal court in Nordborg had meager financial resources and Eleanor's children had to seek a career elsewhere.

During the reign of her step-son John Bogislaw, the duchy experienced a bankruptcy and the fief was terminated by Denmark.

Eleanor died in 1681 on her widow's seat Østerholm Castle on Als[2] and was buried beside her husband.

[3] From her marriage Eleanor had the following children: This article about a German duchess is a stub.