Surname Diego Osvaldo (Diego Osvaldo 
) , in all the world, is a rare last name. The last name Diego Osvaldo is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname. More prevalently, Diego Osvaldo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diego Osvaldo | Paraguay, Argentina, Italy, Chile, Costa Rica |