Cognomen Hernan Antonio (Hernan Antonio 
) , around the world, is quite a rare surname. The family name Hernan Antonio is habitual in Chile, where it is quite a rare surname, and Spain, where it is a very rare surname. More prevalently, Hernan Antonio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hernan Antonio | Costa Rica, Chile, El Salvador, Ecuador, Peru |