Ernest II
Ernest II may refer to:
- Ernest II, Duke of Swabia
- Ernest II, Duke of Brunswick-Grubenhagen
- Ernest II, Count of Mansfeld-Vorderort
- Ernest II, Duke of Brunswick-Lüneburg
- Ernest II, Duke of Saxe-Gotha-Altenburg
- Ernest II, Duke of Saxe-Coburg and Gotha
- Ernest II, Count of Lippe-Biesterfeld
- Ernst II, Prince of Hohenlohe-Langenburg
- Ernst II, Duke of Saxe-Altenburg
- Ernest Augustus II, Duke of Saxe-Weimar-Eisenach
- Ernest Frederick II, Duke of Saxe-Hildburghausen
- Ernst Günther II, Duke of Schleswig-Holstein
- Ernst Ludwig II, Duke of Saxe-Meiningen