Cognomen Vakulyuk (Vakulyuk 
, Вакулюк 
) , around the world, is quite a rare family name. The surname Vakulyuk is characteristic of Ukraine, where it is quite a rare surname, Belarus, and Kazakhstan, where it is a rare surname. In absolute terms, the name is most common in Eastern Europe, particularly Ukraine, Russia, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Vakulyuk | Belarus, United States, Russia, Italy, Ukraine |
| Вакулюк | Belarus, Russia, Kazakhstan, Ukraine |