Johann Ernst of Saxe-Coburg
Johann Ernst von Sachsen-Coburg is the name of the following people:
- Johann Ernst (Saxe-Coburg) (1521–1553), Duke of Saxe-Coburg
- Johann Ernst (Saxe-Coburg-Saalfeld) (1658–1729), Duke of Saxe-Saalfeld
See also:
- Johann Ernst (Saxe-Eisenach) (1566–1638), Duke of Saxe-Eisenach and Duke of Saxe-Coburg
