All around the world, Osvaldo Dario (Osvaldo Dario 
) is a very rare masculine first name. The first name Osvaldo Dario is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare male name, and Argentina, where it is a very rare masculine name. Very seldom, Osvaldo Dario is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Osvaldo Dario | Spain, Italy, Chile, Argentina, Costa Rica |