Cognomen Кер (Kehr 
, Ker 
, Quer 
) , around the globe, is a common surname. The cognomen Кер is habitual in Myanmar, where it is quite a common surname, Algeria, and Singapore. In absolute terms, it is commonest in Myanmar, Algeria, and Germany. Much less frequently, Кер is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kehr | Germany, Spain, France, United States, India |
| Ker | Germany, United States, Algeria, Myanmar, India |
| Quer | Germany, Spain, France, Malaysia, United States |
| Кер | Kazakhstan, Russia, Moldova, Ukraine |