Cognomen Osvaldo Leonardo (Osvaldo Leonardo 
) , in all the world, is a very rare surname. The last name Osvaldo Leonardo is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Osvaldo Leonardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Osvaldo Leonardo | Ecuador, Chile, Argentina, Spain |