Archduchess Maria Dorothea of Austria, full German name: Maria Dorothea Amalie, Erzherzogin von Österreich (Maria Dorothea Amalie; 14 June 1867 – 6 April 1932) was a member of the Hungarian line of the House of Habsburg and an Archduchess of Austria by birth. Through her marriage to Philippe, Duke of Orléans, Maria Dorothea was also a member of the House of Orléans. Philippe was the Orléanist claimant to the throne of France from 1894 to 1926 and known to Orléanist monarchists as "Philippe VIII of France." Thus, to Orléanist monarchists, Maria Dorothea was titular Queen of France from 1896 to 1926, and Dowager Queen of France until her death in 1932.

Maria Dorothea was the second-eldest daughter and child of Archduke Joseph Karl of Austria and his wife Princess Clotilde of Saxe-Coburg and Gotha. Through her father Joseph Karl, Maria Dorothea was the great-granddaughter of Leopold II, Holy Roman Emperor. Through her mother, she was the great-granddaughter of Louis-Philippe d'Orléans, King of the French.

Maria Dorothea married Philippe, Duke of Orléans, eldest son of Philippe, Count of Paris and his wife Princess Marie Isabelle of Orléans, on 5 November 1896 in Vienna.

After several years of marriage, the couple's marriage deteriorated and Maria Dorothea began to spend more and more time each year at her family's estate in Alcsút. Nevertheless, in 1906, Philippe attempted to reconnect with his wife and went to Alcsút to convince her to settle with him at Manoir d'Anjou near Brussels. Maria Dorothea resisted the living arrangement and remained at Alcsút.

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