Family name Klechko (Klechko 
, Клешко 
) , in all the world, is a rare surname. The surname Klechko is habitual in Ukraine, where it is a rare surname, Russia, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klechko | United States |
| Клешко | Kazakhstan, Ukraine, Russia |