Cognomen Oscar Ignacio (Oscar Ignacio 
) , all around the world, is a rare last name. The cognomen Oscar Ignacio is habitual in Chile, where it is quite a rare surname, and Spain, where it is a very rare surname. More frequently, Oscar Ignacio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oscar Ignacio | Paraguay, Peru, Ecuador, Spain, Chile |