In the entire world, Matias Alejandro (Matias Alejandro 
) is quite a common boy's first name. The first name Matias Alejandro is habitual in Chile, where it is quite a common boy's name, Argentina, where it is a rare boy's name, and Slovenia. Not in comparison with a country's population, this name is the most popular in Latin America and the Caribbean, particularly Chile, Argentina, and Peru. Much less frequently, Matias Alejandro is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Matias Alejandro | Romania, Peru, Argentina, Chile, Ecuador |