Family name Bouglak (Bouglak 
, Буглак 
) , worldwide, is quite a rare cognomen. The surname Bouglak is habitual in Eastern Europe, particularly Belarus, where it is quite a rare surname, Ukraine, and Russia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bouglak | Poland |
| Буглак | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |