Surname Galushchak (Galushchak 
, Галущак 
) , throughout the world, is quite a rare family name. The last name Galushchak is characteristic of Ukraine, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Galushchak | Canada, Ukraine, Russia, United States |
| Галущак | Kyrgyzstan, Kazakhstan, Ukraine, Russia |