Family name Onofre Antonio (Onofre Antonio 
) , in the entire world, is a very rare last name. The cognomen Onofre Antonio is characteristic of Chile, where it is a rare surname, and Spain, where it is a very rare surname. More frequently, Onofre Antonio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onofre Antonio | Brazil, Peru, Ecuador, Spain, Chile |