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 Caroline Josepha Leopoldine Franziska Ferdinanda of Habsburg-Lorraine in Vienna, Austria, 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.