Cognomen Галушчак (Галушчак 
, Galouchtchak 
, Galushchak 
) , around the world, is a very rare last name. The cognomen Галушчак is habitual in Russia, where it is a very rare surname, Ukraine, where it is an extremely rare surname, and Canada. In absolute terms, the name is most common in Russia, Ukraine, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Галушчак | Russia |
| Galouchtchak | United States |
| Galushchak | United States, Canada, Ukraine, Russia |