Across the world, Hector Sebastian (Hector Sebastian 
) is quite a rare male first name. The forename Hector Sebastian is habitual in Latin America and the Caribbean, particularly Chile, where it is quite a rare male name, Peru, where it is a rare masculine name, and Argentina, where it is a very rare boy's name. Much less frequently, Hector Sebastian is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Hector Sebastian | Uruguay, Argentina, Peru, Ecuador, Chile |