Eleanor of Austria may refer to:
- Archduchesses of Austria by birth:
- Eleanor of Austria (1498–1558), daughter of Philip the Handsome
- Eleanor of Austria, Duchess of Mantua (1534–1594), daughter of Emperor Ferdinand I
- Archduchess Eleanor (1582–1620), daughter of Archduke Charles II
- Eleanor of Austria, Queen of Poland (1653–1697), daughter of Emperor Ferdinand III
- Eleonore von Habsburg (born 1994), granddaughter of Otto, Crown Prince of Austria
- Archduchesses of Austria by marriage:
- Eleanor of Scotland (1433–1480), wife of Sigismund, Archduke of Austria
- Eleanor of Portugal, Holy Roman Empress (1434–1467), wife of Emperor Frederick III
- Eleonor Gonzaga (1598–1655), wife of Emperor Ferdinand II
- Eleanor Gonzaga (1630–1686), wife of Emperor Ferdinand III