Globally, Sergio Heraldo (Sergio Heraldo 
) is a very rare masculine first name. The given name Sergio Heraldo is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare boy's name. Very seldom, Sergio Heraldo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sergio Heraldo | Ecuador, Chile, Argentina |