Ernst Friedrich of Saxony
Ernst Friedrich von Sachsen is the name of the following people:
- Ernst Friedrich (Saxe-Coburg-Saalfeld) (1724–1800), Duke of Saxe-Coburg-Saalfeld
- Ernst Friedrich I (Saxony-Hildburghausen) (1681–1724), Duke of Saxony-Hildburghausen
- Ernst Friedrich II (Saxony-Hildburghausen) (1707–1745), Duke of Saxony-Hildburghausen
- Ernst Friedrich III. (Saxony-Hildburghausen) (1727–1780), Duke of Saxony-Hildburghausen