Cognomen Guerios (Guerios 
) , all around the world, is a rare surname. The surname Guerios is habitual in Brazil, where it is a rare surname, and the United States, where it is an extremely rare surname. Also, Guerios is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guerios | Brazil, Democratic Republic of the Congo, United States |