Giovanni Orsini
Giovanni Orsini is the name of the following people:
- Giovanni I. Orsini († 1317), Lord of Leukas and Count Palatine of Kefalonia
- Giovanni II. Orsini (around 1300–1335), Count Palatine of Kephalonia and Despot of Epirus
- Giovanni Orsini (Naples) , Archbishop of Naples
- Giovanni Orsini (Trani) , Archbishop of Trani
- Giovanni Antonio Orsini del Balzo (1386 / 1393–1463), Italian nobleman
- Giovanni Battista Orsini (Johanniter) (also Jean-Baptiste des Ursins, Iohannes Baptista de Ursinis , † 1476), Italian Grand Master of the Order of St. John
- Giovanni Battista Orsini (Cardinal) (also Giambattista Orsini , around 1450–1503), Cardinal of the Roman Church
- Giovanni Battista Orsini (Archbishop) (1528–1566), Archbishop of Santa Severina
- Giovanni Domenico Orsi de Orsini (1634–1679), Bohemian architect of Italian descent
- Giovanni Gaetano Orsini , maiden name of Nicholas III. (Pope) (1210 / 1220–1280), Pope