Surname Kubryak (Kubryak 
, Кубряк 
) , globally, is a rare family name. The last name Kubryak is habitual in Ukraine, where it is a rare surname, Kazakhstan, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Kubryak | Russia, Ukraine |
| Кубряк | Kyrgyzstan, Kazakhstan, Ukraine, Russia |