Family name Klarén (Klarén 
, Кларен) , throughout the world, is a rare cognomen. The last name Klarén is characteristic of Northern Europe, particularly Sweden, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klarén | Sweden |
|
gustaf klarén Olympic wrestler, SE (b. 1906) |
|
| peter f. klarén (b. 1938) |
|
|
| ulf klarén (b. 1944) |
|