Family name Sergio Osvaldo (Sergio Osvaldo 
) , in all the world, is a rare cognomen. The cognomen Sergio Osvaldo is characteristic of Latin America and the Caribbean, particularly Chile, where it is quite a rare surname. More prevalently, Sergio Osvaldo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sergio Osvaldo | Paraguay, Spain, Chile, Argentina, Costa Rica |