Family name Hornellas (Hornellas 
) , worldwide, is an extremely rare last name. The family name Hornellas is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. Much more prevalently, Hornellas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hornellas | Brazil, Democratic Republic of the Congo |