Cognomen Octtavio (Octtavio 
) , in the world, is an extremely rare surname. The last name Octtavio is habitual in Venezuela, where it is a very rare surname, Chile, where it is an extremely rare surname, and Spain. More frequently, Octtavio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Octtavio | Brazil, Ecuador, Spain, United States, Venezuela |