Ranuccio I Farnese
| Ranuccio I | |
|---|---|
| Duke of Parma and Piacenza | |
| Reign | 3 December 1592 – 5 March 1622 |
| Predecessor | Alessandro |
| Successor | Odoardo |
| Born | 28 March 1569 Parma, Duchy of Parma and Piacenza |
| Died | 5 March 1622 (aged 52) Parma, Duchy of Parma and Piacenza |
| Burial | |
| Spouse | Margherita Aldobrandini |
| Issue | (illeg.) Prince Ottavio Odoardo, Duke of Parma Maria, Duchess of Modena and Reggio Vittoria, Duchess of Modena Cardinal Francesco Maria |
| House | Farnese |
| Father | Alexander Farnese, Duke of Parma |
| Mother | Maria of Portugal |
| Religion | Roman Catholicism |
Ranuccio I Farnese (28 March 1569 – 5 March 1622) reigned as Duke of Parma, Piacenza and Castro from 1592. A firm believer in absolute monarchy, Ranuccio, in 1594, centralised the administration of Parma and Piacenza, thus rescinding the nobles' hitherto vast prerogative.