Wilhelm of Bavaria
Wilhelm von Bayern designates the following persons:
- Wilhelm I (Bavaria) (1330–1389), Duke of Straubing-Holland
- Wilhelm II (Bavaria) (1365–1417), Duke of Straubing-Holland
- William III. (Bavaria) (1375–1435), Duke of Bavaria-Munich
- Wilhelm von Bayern-Munich (1435–1435), son of Wilhelm III. from Bavaria
- Wilhelm IV (Bavaria) (1493–1550), Duke of Bavaria
- Wilhelm V (Bavaria) (1548–1626), Duke of Bavaria
- Wilhelm II of Bavaria († 1657), Prince Abbot of Stablo and Malmedy