Don Fernando de Borja y Aragón or Ferran de Borja y d'Aragón was a Spanish noble from the House of Borja and the House of Castro. He was the third Count of Mayalde, Viceroy of the royal house, and the Prince of Esquilache.
- Occupation
- aristocrat
- Position held
- caballerizo mayor del rey, Viceroy of Aragon, Viceroy of Valencia
- Born
- 1583
- Died
- November 28, 1665