Cognomen กราส (Krat 
, กราส 
) , throughout the world, is a rare last name. The cognomen กราส is characteristic of Denmark, where it is quite a rare surname, Rwanda, where it is a rare surname, and Bulgaria. In absolute terms, the name is most common in Morocco, Rwanda, and Denmark. Likewise, กราส is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Krat | Myanmar, Denmark, Morocco, India, Rwanda |
| กราส | Thailand |