Family name Gulyaka (Gulyaka 
, Гуляка 
) , globally, is a rare surname. The cognomen Gulyaka is habitual in Ukraine, where it is a rare surname, Russia, where it is a very rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gulyaka | Germany, Ukraine |
| Гуляка | Ukraine, Russia |