Margrave (Prince) Charles Gustav of Baden-Durlach (27 September 1648 in Durlach – 24 October 1703 at the Karlsburg Castle in Durlach) was a German general.

He was the son of Margrave Frederick VI of Baden-Durlach and his wife Christina Magdalena of the Palatinate-Zweibrücken, sister of King Charles X Gustav of Sweden.

In 1683, he served as major general and at the same time commander-in-chief of the circle troops.

In 1686 he was promoted to field marshal lieutenant[1] of the infantry in the Swabian Circle, in 1692 to General Feldzeugmeister[2] and in 1697 to field marshal.

Margrave Charles Gustav married on 28 October 1677 with Princess Anna Sophie of Brunswick-Wolfenbüttel (29 October 1659 – 28 June 1742), the daughter of the Duke Anton Ulrich of Brunswick-Wolfenbüttel.