William Louis
Wilhelm Ludwig is the name of:
- Wilhelm Ludwig (1790-1865), German physician
- Wilhelm Ludwig ( biologist ) ( 1901-1959 ), German biologist and geneticist
- Wilhelm Ludwig ( lawyer) (1901 -? ), German jurist
Wilhelm Ludwig is the name of several rulers:
- Wilhelm Ludwig ( Nassau- Dillenburg ) ( 1560-1620 ), Count of Nassau- Dillenburg
- Wilhelm Ludwig (Nassau -Saarbrücken ) ( 1590-1640 ), Count of Saarbrücken
- Wilhelm Ludwig ( Anhalt- Köthen ) ( 1638-1665 ), Prince of Anhalt- Köthen
- Wilhelm Ludwig ( Württemberg) ( 1647-1677 ), Duke of Württemberg
- Wilhelm Ludwig ( Schwarzburg- Rudolstadt ) ( 1696-1757 ), Prince of Schwarzburg- Rudolstadt
- Ludwig Wilhelm of Baden-Durlach (1732-1788), Governor of the province of Arnhem
- Disambiguation