Wilhelm von Henneberg-Schleusingen
Wilhelm von Henneberg-Schleusingen is the name of the following people:
- Wilhelm II (Henneberg-Schleusingen) (1415–1444), reigning Prince Count of Henneberg-Schleusingen
- William III. (Henneberg-Schleusingen) (1434–1480), prince count from the House of Henneberg