Surname Eugenio Antonio (Eugenio Antonio 
) , around the world, is a rare family name. The surname Eugenio Antonio is habitual in Chile, where it is quite a rare surname, and Spain, where it is a rare surname. More frequently, Eugenio Antonio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Eugenio Antonio | Costa Rica, Ecuador, Mozambique, Spain, Chile |