Cognomen Diego Octavio (Diego Octavio 
) , around the globe, is a very rare last name. The cognomen Diego Octavio is characteristic of Chile, where it is a rare surname, and Spain, where it is a very rare surname. More prevalently, Diego Octavio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diego Octavio | Peru, Spain, Chile, Mexico, Ecuador |