Last name Erwin Oscar (Erwin Oscar 
) , in the entire world, is a very rare cognomen. The surname Erwin Oscar is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Erwin Oscar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erwin Oscar | Chile, Philippines, Peru, Ecuador |