Cognomen Ciro Leonardo (Ciro Leonardo 
) , in the world, is an extremely rare last name. The last name Ciro Leonardo is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more prevalently, Ciro Leonardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ciro Leonardo | Spain, Argentina, Peru, Chile, Ecuador |