Prospero Colonna, Duke of Rignano, Prince of Sonnino was an Italian politician and aristocrat. He was twice mayor of Rome. He served in the Chamber of Deputies and Senate of the Kingdom of Italy.
- Occupation
- politician, military officer, land owner
- Position held
- mayor of Rome, senator of the Kingdom of Italy, member of the Chamber of Deputies of the Kingdom of Italy, member of the Chamber of Deputies of the Kingdom of Italy
- Citizenship
- Kingdom of the Two Sicilies, Kingdom of Italy
- Born
- July 18, 1858