Around the globe, Sergio Isaias (Sergio Isaias 
) is a rare boy's first name. The given name Sergio Isaias is habitual in Latin America and the Caribbean, particularly Chile, where it is quite a rare male name, and Peru, where it is a very rare male name. Much less frequently, Sergio Isaias is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sergio Isaias | Chile, Peru, Mexico, Ecuador, Spain |