Cognomen Kukulyak (Кукуляк 
, Kukulyak 
) , all around the world, is a rare surname. The family name Kukulyak is habitual in Ukraine, where it is a rare surname, Hungary, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Кукуляк | Russia, Ukraine, Kazakhstan |
| Kukulyak | Italy, Hungary, United States |
|
yevgeni kukulyak Russian football referee (born 1986) (b. 1986) |
|
| yevgeni kukulyak Russian footballer, RU (b. 1986) |
|