Dona Maria Francisca of Orléans-Braganza, Duchess of Braganza (8 September 1914 – 15 January 1968) was the wife of Duarte Nuno, Duke of Braganza, a pretender to the Portuguese throne, and the daughter of Pedro de Alcântara, Prince of Grão-Pará, pretender to the throne of the Empire of Brazil. The Duke and Duchess had three sons, the eldest of whom, Duarte Pio, Duke of Braganza, is the current pretender to the throne of Portugal.

Maria Francisca Amélia Luísa Vitória Teresa Isabel Miguela Gabriela Rafaela Gonzaga was born at Château d'Eu in Eu, France, the daughter of Pedro de Alcântara, Prince of Grão-Pará (1875–1940) and Countess Elisabeth Dobržensky de Dobrženicz (1875–1951). Her father had to renounce to his dynastic rights in order to marry her mother who, in spite her noble background, did not belong to any reigning dynasty.

Maria Francisca died in Lisbon was buried at the Chagas de Cristo (Jesus's Five Sacred Wounds) Convent, in Vila Viçosa, the pantheon of the duchesses of Braganza.

She was married to Duarte Nuno (1907–1976), Duke of Braganza and claimant to the throne of Portugal, civilly in the Portuguese Embassy in Rio de Janeiro, Brazil, on 13 October 1942 and religiously in Petrópolis, Brazil, on 15 October.

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