Surname Bubriak (Bubriak 
, Бубряк 
) , worldwide, is a rare family name. The family name Bubriak 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, it is commonest in Eastern Europe, particularly Ukraine, Belarus, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Bubriak | United States |
| Бубряк | Russia, Kazakhstan, Ukraine, Belarus |