Cognomen Sergio Naun (Sergio Naun 
) , in all the world, is an extremely rare last name. The cognomen Sergio Naun is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More frequently, Sergio Naun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sergio Naun | Chile, Ecuador |