Cognomen Khatkina-Lang (Khatkina-Lang 
) , around the world, is an extremely rare last name. The last name Khatkina-Lang is habitual in Estonia, where it is a rare surname, and Russia, where it is an extremely rare surname. Parts of the name also exists independently as a last name Lang.
| VARIANT | COUNTRY |
|---|---|
| Khatkina-Lang | Russia, Estonia |