Surname Ganzyuk (Ganzyuk 
, Ганзюк 
) , across the world, is quite a rare last name. The family name Ganzyuk is habitual in Ukraine, where it is quite a rare surname, Belarus, where it is a rare surname, and Kazakhstan. In absolute terms, it is commonest in Ukraine, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Ganzyuk | Russia, United States, Ukraine |
| Ганзюк | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |