Cognomen Roios (Roios 
) , all over the world, is a very rare family name. The surname Roios is habitual in Portugal, where it is a rare surname, France, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Very seldom, Roios is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roios | Portugal, France, Brazil |