Cognomen ริส (Ris 
, Rit , ริส 
) , worldwide, is a common last name. The surname ริส is habitual in Switzerland, where it is quite a rare surname, Bosnia and Herzegovina, and Malaysia. Not in comparison with a country's population, it most frequently occurs in India, Indonesia, and Malaysia. Likewise, ริส is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rit, Ris | Indonesia, Myanmar, Algeria, India, Malaysia |
| ริส | Thailand |