Marie Louise (Maria Ludovica Leopoldina Franziska Therese Josepha Lucia; Italian: Maria Luigia Leopoldina Francesca Teresa Giuseppa Lucia; 12 December 1791 – 17 December 1847) was an Austrian archduchess who reigned as Duchess of Parma from 1814 until her death. She was Napoleon's second wife and, as such, Empress of the French from 1810 to 1814.