Family name Drobychev (Дробышев 
, Drobychev 
) , globally, is quite a common cognomen. The last name Drobychev is characteristic of Belarus, where it is quite a rare surname, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Дробышев | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Drobychev | Russia, United States, Belarus |