Princess Isabelle of Orléans-Braganza, Countess of Paris (Isabelle Marie Amélie Louise Victoire Thérèse Jeanne; Eu, Seine-Maritime, 13 August 1911 – Paris, 5 July 2003) was a French historical author and consort of the Orleanist pretender, Henri, Count of Paris. She became by marriage titular Countess of Paris.

The eldest daughter of Dom Pedro de Alcântara of Orléans-Braganza, Prince of Grão-Pará, sometime heir to the throne of the Empire of Brazil (1875–1940) and of his wife, Countess Elisabeth Dobržensky de Dobrženicz (1875–1951), Isabelle was born in a pavilion of the Château d'Eu in Normandy. She was christened as namesake of her paternal grandmother, Princess Isabel, Princess Imperial of Brazil, elder daughter and heir of the deposed Emperor Pedro II of Brazil.

In 1891 Dom Pedro de Alcântara became Prince Imperial of Brazil to the royalists upon the death of the emperor in exile, his mother having become the claimant. In 1908 he married a Bohemian noblewoman in the presence of his parents, although his mother withheld dynastic approval as head of the imperial family in exile. Therefore, Dom Pedro renounced the succession rights of himself and his future descendants to the abolished Brazilian throne. By agreement with the head of the House of Orléans, to which he belonged paternally, he and his issue continued to use the title Prince/ss of Orléans-Braganza.

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