Family name Käřëñ (Käřëñ 
) , in the world, is a very rare cognomen. The last name Käřëñ is habitual in South-eastern Asia, particularly Myanmar, where it is a very rare surname. Also, Käřëñ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Käřëñ | Myanmar |