In all the world, Sebastian Javier (Sebastian Javier 
) is a rare male first name. The forename Sebastian Javier is habitual in Chile, where it is quite a rare boy's name, Spain, where it is a rare principally masculine, but scarcely female name, and Peru, where it is a very rare masculine name. Measured by absolute frequency, it is commonest in Chile, Spain, and Argentina. Very seldom, Sebastian Javier is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sebastian Javier | Argentina, Peru, Ecuador, Spain, Chile |