Cognomen Yerko Hernan (Yerko Hernan 
) , worldwide, is a very rare family name. The surname Yerko Hernan is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname. More prevalently, Yerko Hernan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yerko Hernan | Chile |