Surname Amadeo Octavio (Amadeo Octavio 
) , around the globe, is an extremely rare last name. The cognomen Amadeo Octavio is characteristic of Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More prevalently, Amadeo Octavio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Amadeo Octavio | Peru, Chile, Ecuador |