Ciro Alidosi | |
|---|---|
 Coat of arms of Ciro Alidosi as a knight of St. Stephen | |
| Lord of Castel del Rio | |
| Coat of arms |  |
| Tenure | 1560 – 1589 |
| Predecessor | Cesare Alidosi |
| Successor | Roderigo Alidosi |
| Born | c. 1520 Castel del Rio, Duchy of Florence |
| Died | November 29, 1589 (aged 68–69) Florence, Grand Duchy of Tuscany |
| Family | Alidosi |
| Spouse(s) | Elena di Rodrigo de Mendoza |
| Father | Giulio Alidosi |
| Mother | Virginia Chigi |
Ciro Alidosi (c. 1520, Castel del Rio — 1589, Florence) was a 16th-century Italian nobleman, diplomat, and lord of Castel del Rio, known for his service to the Medici and his controversial governance.