Surname Vanchuk (Vanchuk 
, Ванчук 
) , throughout the world, is a rare family name. The cognomen Vanchuk is habitual in Eastern Europe, particularly Belarus, where it is quite a rare surname, Ukraine, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Vanchuk | Canada, Russia, Belarus |
| Ванчук | Russia, Ukraine, Belarus |