Surname Nadjuk (Надюк 
, Nadjuk 
) , throughout the world, is a rare last name. The family name Nadjuk is habitual in Ukraine, where it is quite a rare surname, Estonia, where it is a rare surname, and Russia. In absolute terms, it is commonest in Ukraine, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Надюк | Kazakhstan, Ukraine, Russia |
| Nadjuk | Germany, Estonia |