Surname Ginchak (Ginchak 
, Гинчак 
) , throughout the world, is a rare last name. The cognomen Ginchak is characteristic of Kazakhstan, where it is a rare surname, Morocco, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Ginchak | United States, Spain, Morocco |
| Гинчак | Kazakhstan, Russia, Ukraine |