Cognomen Бк (Бк 
) , around the world, is a very rare surname. The surname Бк is habitual in Armenia, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Kazakhstan, where it is a very rare surname. Very seldom, Бк is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Бк | Kazakhstan, Armenia, Kyrgyzstan, Russia |