Across the world, Matias Antonio (Matias Antonio 
) is quite a rare boy's first name. The given name Matias Antonio is characteristic of Chile, where it is quite a rare masculine name, Costa Rica, where it is a rare male name, and Spain. Measured by absolute frequency, it is commonest in Chile, Spain, and Argentina. Very seldom, Matias Antonio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Matias Antonio | Argentina, Spain, Chile, Ecuador, Costa Rica |