Surname Osijuk (Osijuk 
, Осиюк 
) , around the world, is a rare family name. The last name Osijuk is habitual in Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Osijuk | Venezuela, Argentina, Canada, United States |
| Осиюк | Kazakhstan, Russia, Ukraine, Belarus |