Cognomen Javiera Rosario (Javiera Rosario 
) , across the world, is a very rare last name. The family name Javiera Rosario is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Javiera Rosario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Javiera Rosario | Chile |