Giovanna d'Aragona

Not to be confused with Giovanna d'Aragona, Duchess of Amalfi.
Raphael and Giulio Romano, Portrait of Doña Isabel de Requesens y Enriquez de Cardona-Anglesola, previously thought to be of Giovanna d'Aragona

Giovanna d'Aragona (1502– September 11, 1575) was a patron of the arts, printers and religious reform in Naples during the Renaissance.