Dona Maria Leopoldina of Austria (22 January 1797 – 11 December 1826) was an archduchess of Austria, Empress consort of Brazil and Queen consort of Portugal.She was born in Vienna, Austria, as the daughter of Holy Roman Emperor Francis II, and his second wife, Maria Teresa of Naples and Sicily. Among her many siblings were Emperor Ferdinand I of Austria and Marie Louise, Duchess of Parma, the wife of Napoleon Bonaparte.