Around the globe, Riik (Reich 
, Rijk 
, Riik 
) is a common unisex first name. The first name Riik is habitual in the Democratic Republic of the Congo, where it is quite a common epicene name, Netherlands, where it is a rare boy's name, and Austria, where it is a rare female name. In absolute terms, it is the most numerous in the Democratic Republic of the Congo, Netherlands, and China. Likewise, Riik is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Reich | Netherlands, Germany, Democratic Republic of the Congo, United States, Austria |
| Rijk | Netherlands, Germany, France, Canada, United States |
| Riik | Australia, Germany, Estonia, Canada, United States |