Juan de Cardona y Requesens (1530–1609), Baron of Sant Boi, was a Spanish admiral and politician. He served as a captain of naval squads in Sicily and Naples, as well as member of the Council of State and Viceroy of Navarre.
- Occupation
- military personnel
- Position held
- viceroy of Navarra
- Born
- 1550, 1530
- Died
- 1609, 1601
