Last name Реыс (Reys 
, Реыс 
) , worldwide, is quite a rare surname. The family name Реыс is habitual in Belgium, where it is quite a rare surname, Guatemala, where it is a rare surname, and Portugal. In absolute terms, it most frequently occurs in Brazil, Belgium, and Indonesia. Much less frequently, Реыс is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Reys | Brazil, Indonesia, Belgium, United States, Democratic Republic of the Congo |
| Реыс | Russia |