Cognomen Sergio Herminio (Sergio Herminio 
) , in all the world, is a very rare surname. The last name Sergio Herminio is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname. More prevalently, Sergio Herminio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sergio Herminio | Spain, Mexico, Chile, Ecuador, Peru |