Margrave Charles Magnus of Baden-Durlach (27 March 1621 at Karlsburg Castle in Durlach – 29 November 1658, ibid.)

was a titular Margrave of Baden.

Charles Magnus was the son from his first marriage of Margrave Frederick V of Baden and Barbara of Württemberg (4 December 1593 – 8 May 1627), the daughter of the Duke Frederick I of Württemberg.

He married on 23 January 1650 in Schillingsfürst with Countess Marie Juliane of Hohenlohe-Waldenburg (23 March 1622 – 1675), the daughter of Count George Frederick II of Hohenlohe-Waldenburg.

They had the following children: This article about a German margrave is a stub.