Surname Yerko Osvaldo (Yerko Osvaldo 
) , all over the world, is an extremely rare last name. The cognomen Yerko Osvaldo is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Yerko Osvaldo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yerko Osvaldo | Chile |