Francis III, Duke of Brittany

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Francis III
Dauphin of France
Portrait by Corneille de Lyon
Duke of Brittany
Reign	20 July 1524 – 10 August 1536
Predecessor	Claude
Successor	Henry II
Born	28 February 1518 Château d'Amboise
Died	10 August 1536(1536-08-10) (aged 18) Château de Tournon
Burial	Saint Denis Basilica
House	Valois-Angoulême
Father	Francis I of France
Mother	Claude, Duchess of Brittany
Religion	Roman Catholicism

Francis III (Breton: Frañsez; French: François; 28 February 1518 – 10 August 1536) was Dauphin of France and, after 1524, Duke of Brittany. Francis and his brother, Henry, were exchanged as hostages for their father, Francis I, who had been captured at the Battle of Pavia. They would be hostages for three years. Made duke of Brittany in 1532, this precipitated Brittany's integration with the Kingdom of France. Francis died 10 August 1536, possibly from tuberculosis.