Surname Desconhecido (Desconhecido 
) , in the world, is a very rare cognomen. The family name Desconhecido is characteristic of Portugal, where it is a rare surname, and Brazil, where it is an extremely rare surname. Likewise, Desconhecido is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Desconhecido | Brazil, Portugal |