Surname Marcello Hernan (Marcello Hernan 
) , across the world, is an extremely rare cognomen. The surname Marcello Hernan is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More prevalently, Marcello Hernan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marcello Hernan | Chile |