Surname Vasiljuk (Василюк 
, Vasiljuk 
) , all around the world, is a common last name. The surname Vasiljuk is habitual in Belarus, where it is quite a common surname, Ukraine, and Kazakhstan, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Eastern Europe, particularly Ukraine, Russia, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Василюк | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| Vasiljuk | Croatia, Australia, Estonia, United States, Germany |