Cognomen Ermokhin (Ermokhin 
, Ермохин 
) , in all the world, is quite a rare family name. The last name Ermokhin is habitual in Russia, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Ermokhin | Germany, Kazakhstan, Russia, Czechia, Italy |
| Ермохин | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |