Surname Adolfo Oscar (Adolfo Oscar 
) , all over the world, is an extremely rare cognomen. The cognomen Adolfo Oscar is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Adolfo Oscar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adolfo Oscar | Argentina, Germany, Chile, Peru, Spain |