In all the world, Osvaldo Antonio (Osvaldo Antonio 
) is quite a rare masculine forename. The first name Osvaldo Antonio is habitual in Latin America and the Caribbean, particularly Chile, where it is quite a common masculine name, Costa Rica, where it is quite a rare masculine name, and the Dominican Republic, where it is a rare boy's name. Very seldom, Osvaldo Antonio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Osvaldo Antonio | Brazil, Argentina, Costa Rica, Dominican Republic, Chile |