Cognomen Бостонбай (Бостонбай 
) , in all the world, is a very rare family name. The family name Бостонбай is characteristic of Kyrgyzstan, where it is quite a rare surname, and Russia, where it is an extremely rare surname. Likewise, Бостонбай is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Бостонбай | Russia, Kyrgyzstan |