Cognomen Шчепаниак (Шчепаниак 
) , in the world, is an extremely rare last name. The last name Шчепаниак is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Шчепаниак | Russia |
Shchepaniak, and Shchepanyak