 Wilhelm Heinrich, Duke of Saxe-Eisenach

Wilhelm Heinrich, Duke of Saxe-Eisenach (10 November 1691 – 26 July 1741), was a duke of Saxe-Eisenach.He was born in Oranjewoud, the eldest and only surviving son of Johann Wilhelm, Duke of Saxe-Eisenach and his first wife Amalie of Nassau-Dietz.