Family name Reigen (Reige 
, Raie 
, Reigen 
) , in the entire world, is quite a rare last name. The surname Reigen is habitual in Estonia, where it is quite a common surname, Qatar, where it is quite a rare surname, and Syria. Not in comparison with a country's population, it is the most numerous in Egypt, Syria, and Estonia. Likewise, Reigen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Reige | Germany, France, Democratic Republic of the Congo, Philippines, United States |
| Raie | Egypt, United Arab Emirates, Syria, Democratic Republic of the Congo, Estonia |
| Reigen | Austria, Japan, Indonesia, Philippines, United States |
| Рейген | Ukraine |