Louis William, Margrave of Baden-Baden was the ruling Margrave of Baden-Baden in Germany and chief commander of the Imperial army. He was also known as Türkenlouis for his many defeats of Turkish armies. After his death in 1707, his wife, Sibylle of Saxe-Lauenburg, acted as regent of Baden-Baden during the minority of his eldest son, who succeeded him as Margrave of Baden-Baden.