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