Margrave Leopold Wilhelm of Baden-Baden (September 16, 1626 – Baden-Baden, March 1, 1671) was an Imperial Field Marschal.
He was the second son of Wilhelm, Margrave of Baden-Baden and Catharina Ursula von Hohenzollern–Hechingen.
A Reichs-generalfeldmarschall in 1664, he fought against Sweden in Pomerania and against the Turks in Hungary. He was Governor of Warasdin in Croatia.
As his elder brother Ferdinand Maximilian of Baden-Baden, he died before his father and never ruled Baden-Baden.
Leopold Wilhelm von Baden married firstly in 1659 with Anna Silvia Caretto, Countess of Millesimo (1607- February 26, 1664). They had no children.
Secondly he married on February 23, 1666 with Countess Maria Franziska von Fürstenberg-Heiligenberg (May 18, 1633 - March 7, 1702), daughter of Count Ernst Egon VIII of Fürstenberg-Heiligenberg.
They had 6 children :