Surname Emilio Antonio (Emilio Antonio 
) , worldwide, is a rare family name. The last name Emilio Antonio is habitual in Chile, where it is quite a rare surname, Spain, where it is a rare surname, and Croatia, where it is a very rare surname. More prevalently, Emilio Antonio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Emilio Antonio | Spain, Peru, Dominican Republic, Ecuador, Chile |