Cognomen Kerben (Kerben 
, Карбованець 
) , in all the world, is a rare last name. The cognomen Kerben is habitual in Ukraine, where it is a rare surname, the United States, where it is a very rare surname, and Kazakhstan. Not in comparison with a country's population, this name is the most popular in Ukraine, the United States, and Germany. Much less frequently, Kerben is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kerben | Germany, Philippines, Kazakhstan, United States, Nigeria |
| Карбованець | Ukraine |