King Ferdinand

• Ferdinand I of Aragon
• Ferdinand I of Bulgaria
• Ferdinand I of León
• Ferdinand I of Naples
• Ferdinand I of Portugal
• Ferdinand I of Romania
• Ferdinand I of the Two Sicilies
• Ferdinand II of Aragon
• Ferdinand II of León
• Ferdinand II of Naples
• Ferdinand II of Portugal
• Ferdinand II of the Two Sicilies
• Ferdinand III of Castile
• Ferdinand IV of Castile
• Ferdinand IV, King of the Romans
• Ferdinand VI of Spain
• Ferdinand VII of Spain