Surname Вольчук (Вольчук 
, Volchuk 
) , in the entire world, is a very rare last name. The cognomen Вольчук is habitual in Belarus, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Russia. Not in comparison with a country's population, the name is most common in Eastern Europe, particularly Russia, Belarus, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Вольчук | Kyrgyzstan, Russia, Ukraine |
| Volchuk | Russia, Ukraine, United States, Belarus |
| алексей владимирович вольчук Russian biathlete, RU (b. 1976) |
|