Prince of Castelbuono
| Prince of Castelbuono | |
|---|---|
| Creation | 3 February 1595 |
| Created by | Philip III of Spain |
| Peerage | Peerage of Italy |
| First holder | Giovanni Ventimiglia Sabia |
| Last holder | Giovanna Ventimiglia Camarrone |
| Subsidiary titles | Prince of the Holy Roman Empire, Prince of Belmontino, Prince of Buonriposo, Prince of Scaletta, Marquess of Geraci, Duke of Ventimiglia, Count Palatine, Grandee of Spain |
| Extinction date | 1905 |
The Principality of Castelbuono was a feudal state that existed in Sicily between the end of the 16th century and the beginning of the 19th century, which corresponded to the territory of the present-day municipality of Castelbuono, in the province of Palermo.