Surname Gurinchuk (Gurinchuk 
, Гуринчук 
) , around the globe, is a rare last name. The last name Gurinchuk is habitual in Eastern Europe, particularly Ukraine, where it is a rare surname, Belarus, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Gurinchuk | Russia, Ukraine |
| Гуринчук | Kazakhstan, Ukraine, Belarus, Russia |