Surname Kolbyn (Колбин 
, Kolbyn 
) , in the world, is quite a rare family name. The family name Kolbyn is characteristic of Kazakhstan, where it is quite a rare surname, Russia, and Kyrgyzstan, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Колбин | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Kolbyn | United States |