Last name Koutcheiko (Koutcheiko, Кучейко 
) , globally, is a rare family name. The surname Koutcheiko is habitual in Eastern Europe, particularly Belarus, where it is quite a rare surname, Russia, where it is a very rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Кучейко | Belarus, Russia, Kazakhstan, Ukraine |