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