Cognomen Marcelo Antonio (Marcelo Antonio 
) , in the entire world, is quite a rare family name. The family name Marcelo Antonio is characteristic of Chile, where it is quite a common surname, and Spain, where it is a very rare surname. More frequently, Marcelo Antonio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marcelo Antonio | Peru, Spain, Chile, Angola, Ecuador |