Giovanni Medici may refer to: Don Giovanni de' Medici (1567-1621), Italian military commander and diplomat Giovanni de' Medici (cardinal) (1543–1562), Cardinal of the Holy Roman Church Giovanni delle Bande Nere (Ludovico de' Medici, 1498–1526), Italian condottiero Giovanni di Bicci de' Medici (c. 1360–1429), Italian banker Giovanni di Cosimo de' Medici (1421–1463), Italian banker Giovanni il Popolano (Giovanni de' Medici, 1467–1498), Italian nobleman Pope Leo X (Giovanni di Lorenzo de' Medici, 1475–1521), Head of the Catholic Church from 1513 to 1521 Pope Pius IV (Giovanni Angelo Medici, 1499–1565), Head of the Catholic Church from 1559 to 1565