Ernst of Austria
Ernst von Österreich designates the following persons:
- Ernst (Austria) ( the brave ; ~ 1027–1075), Margrave of Austria
- Ernst the Iron (1377–1424), Duke of Inner Austria
- Ernst of Austria (1553–1595) , Archduke of Austria and governor in Lower and Inner Austria and the Netherlands
- Ernst von Österreich (1824–1899) , Archduke of Austria and Imperial Austrian Lieutenant Field Marshal