Surname Drobyn (Дробин 
, Drobyn 
) , worldwide, is a rare cognomen. The last name Drobyn is habitual in Russia, where it is a rare surname, Kazakhstan, and Kyrgyzstan. Not in comparison with a country's population, it is commonest in Russia, Kazakhstan, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Дробин | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Drobyn | United States |