Across the world, Sergio Sebastian (Sergio Sebastian 
) is quite a rare male first name. The given name Sergio Sebastian is habitual in Latin America and the Caribbean, particularly Chile, where it is quite a rare boy's name, Uruguay, where it is a rare masculine name, and Argentina. Not in comparison with a country's population, it most frequently occurs in Latin America and the Caribbean, particularly Chile, Argentina, and Peru. Very seldom, Sergio Sebastian is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sergio Sebastian | Uruguay, Argentina, Peru, Ecuador, Chile |