Surname Jerko Osvaldo (Jerko Osvaldo 
) , all over the world, is an extremely rare last name. The cognomen Jerko Osvaldo is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Likewise, Jerko Osvaldo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jerko Osvaldo | Chile |