Across the world, Eugenio Octavio (Eugenio Octavio 
) is a very rare masculine first name. The forename Eugenio Octavio is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare masculine name. Very seldom, Eugenio Octavio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Eugenio Octavio | Costa Rica, Spain, Chile, Ecuador, Peru |
Soto, Gomez, Mancilla, and Tapia Valenzuela