Cognomen Шчупак (Шчупак 
, Chtchoupak 
) , around the globe, is a very rare family name. The last name Шчупак is habitual in Russia, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Шчупак | Russia |
| Chtchoupak | Canada |