Cognomen Gonzalo Antonio (Gonzalo Antonio 
) , worldwide, is quite a rare family name. The family name Gonzalo Antonio is characteristic of Chile, where it is quite a rare surname, and Spain, where it is a rare surname. More frequently, Gonzalo Antonio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gonzalo Antonio | Costa Rica, Peru, Ecuador, Spain, Chile |