Surname Vojtjuk (Войтюк 
, Vojtjuk 
) , in the entire world, is quite a common family name. The family name Vojtjuk is habitual in Ukraine, where it is quite a common surname, Belarus, where it is quite a rare surname, and Kazakhstan, where it is a rare surname. In absolute terms, it most frequently occurs in Eastern Europe, particularly Ukraine, Russia, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Войтюк | Kazakhstan, Ukraine, Belarus, Kyrgyzstan, Russia |
| Vojtjuk | Norway |