>
Family name Gourniak (Gourniak , Гурняк
) , all over the world, is a rare cognomen. The cognomen Gourniak is habitual in Ukraine, where it is quite a rare surname, Belarus, where it is a rare surname, and Kazakhstan, where it is a very rare surname. In absolute terms, the name is most common in Eastern Europe, particularly Ukraine, Russia, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Gourniak | United States |
| Гурняк | Belarus, Kazakhstan, Russia, Ukraine |