Last name Khaichuk (Khaichuk 
, Хайчук 
) , in the world, is a very rare family name. The family name Khaichuk is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Khaichuk | Russia |
| Хайчук | Ukraine, Russia |