Surname Korchemniy (Korchemniy 
, Корчемный 
) , across the world, is a rare cognomen. The surname Korchemniy is characteristic of Belarus, where it is a rare surname, Russia, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Korchemniy | Ukraine, United States |
| Корчемный | Ukraine, Kazakhstan, Russia, Belarus, Kyrgyzstan |