Surname Estephanio (Estephanio 
) , around the world, is a very rare family name. The surname Estephanio is habitual in Brazil, where it is a very rare surname, and the United States, where it is an extremely rare surname. Also, Estephanio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Estephanio | Brazil, United States |