Charles, Prince of Viana, sometimes called Charles IV of Navarre, was the eldest son of King John II of Aragon and Queen Blanche I of Navarre. He pre-deceased his father.
- Occupation
- ruler
- Position held
- sovereign of Navarre, Duke of Gandía
- Citizenship
- Kingdom of Navarre
- Born
- May 29, 1421
- Died
- September 23, 1461