Surname Kopejkin (Kopejkin 
, Копейкин 
) , globally, is quite a common family name. The family name Kopejkin is characteristic of Russia, where it is quite a rare surname, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Kopejkin | Poland, Belarus |
| Копейкин | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |