Surname Osvaldo Antonio (Osvaldo Antonio 
) , in all the world, is quite a rare cognomen. The cognomen Osvaldo Antonio is habitual in Latin America and the Caribbean, particularly Chile, where it is quite a rare surname. More frequently, Osvaldo Antonio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Osvaldo Antonio | Dominican Republic, Argentina, Brazil, Chile, Costa Rica |