Around the globe, Mariano Javier (Mariano Javier 
) is a rare male given name. The forename Mariano Javier is habitual in Spain, where it is a rare masculine name, Chile, and Argentina. Very seldom, Mariano Javier is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mariano Javier | Argentina, Peru, Ecuador, Spain, Chile |