Ferdinand the Holy Prince, sometimes called the "Saint Prince" or the "Constant Prince", was an infante of the Kingdom of Portugal. He was the youngest of the "Illustrious Generation" of 15th-century Portuguese princes of the House of Aviz, and served as lay administrator of the Knightly Order of Aviz.
- Occupation
- military personnel
- Citizenship
- Kingdom of Portugal
- Born
- September 29, 1402
- Died
- June 5, 1443