Joanna of Aragon, Queen of Naples

Joanna of Aragon (, ; 16 June 1455 – 9 January 1517) was Queen of Naples as the second wife of King Ferdinand I. She served as regent (General Lieutenant) of Naples between the abdication and flight of her husband's son Alfonso II on 22 February 1495 until the formal succession of Alfonso's son, Ferdinand II.

Born in Barcelona, Joanna was the second child of King John II of Aragon by his second wife, Juana Enríquez de Córdoba, and his youngest legitimate child.

Queenship King Ferdinand I of Naples, an illegitimate son of her uncle Alfonso V of Aragon, asked Joanna's hand in marriage from John II and he accepted. After the wedding on 14 September the contract was signed in Navarre, on 5 October 1476 and the agreement was ratified on 25 November. 5= 5. Eleanor of Alburquerque 7= 7. Mariana Fernández de Córdoba 9= 9. Eleanor of Aragon 11= 11. Beatrice of Portugal 15= 15. Inés de Ayala (es)