Eleanor of Austria (15 November 1498 – 25 February 1558), also called Eleanor of Castile, was born an Archduchess of Austria and Infanta of Castile from the House of Habsburg, and subsequently became Queen consort of Portugal (1518–1521) and of France (1530–1547).
She also held the Duchy of Touraine (1547–1558) in dower.