Cognomen Unicórnio (Unicórnio 
) , in the entire world, is a very rare surname. The family name Unicórnio is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. Likewise, Unicórnio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Unicórnio | Brazil |