Cognomen Kanchuk (Kanchuk 
, Канчук 
) , in all the world, is a rare surname. The surname Kanchuk is characteristic of Eastern Europe, particularly Ukraine, where it is a rare surname, Belarus, and Russia, where it is a very rare surname. Much less frequently, Kanchuk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kanchuk | Canada, India, United States, Thailand, Belarus |
| Канчук | Belarus, Kazakhstan, Russia, Ukraine |