In all the world, Sergio Herminio (Sergio Herminio 
) is a very rare male given name. The forename Sergio Herminio is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare male name. Much less frequently, Sergio Herminio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sergio Herminio | Mexico, Peru, Ecuador, Spain, Chile |