Wilhelm Ludwig
Wilhelm Ludwig is the name of the following people:
- Wilhelm von Ludwig (1790–1865), German physician
- Wilhelm Ludwig (lawyer) (1901 – after 1954), German lawyer
- Wilhelm Ludwig (biologist) (1901–1959), German biologist and geneticist
Wilhelm Ludwig is the name of the following ruler:
- Wilhelm Ludwig (Nassau-Dillenburg) (1560–1620), Count of Nassau-Dillenburg
- Wilhelm Ludwig (Nassau-Saarbrücken) (1590–1640), Count of Saarbrücken
- Wilhelm Ludwig (Anhalt-Koethen) (1638–1665), Prince of Anhalt-Koethen
- Wilhelm Ludwig (Württemberg) (1647–1677), Duke of Württemberg
- Wilhelm Ludwig (Schwarzburg-Rudolstadt) (1696–1757), Prince of Schwarzburg-Rudolstadt
- Wilhelm Ludwig von Baden-Durlach (1732–1788), governor of the province of Arnhem
