Ferdinand of Aragon

• Ferdinand of Aragon – Lord of Albarracín, illegitimate son of Peter III of Aragon with Inés Zapata.
• Ferdinand I of Aragon, also known as Ferdinand of Antequera
• Ferdinand II of Aragon, who married Isabella of Castile to become king of Spain,
• Ferdinand of Aragón, Duke of Calabria
• Ferdinand I of Naples, Also knows as Ferrante, King of Naples