Cognomen Лерен (Leren 
, Лерен 
) , in the world, is a rare family name. The surname Лерен is habitual in Norway, where it is quite a rare surname, Panama, and Malaysia, where it is a rare surname. Likewise, Лерен is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leren | Indonesia, China, Norway, Panama, Malaysia |
| Лерен | Russia |