Cognomen Khomyshin (Khomyshin 
, Хомышин 
) , around the world, is a very rare last name. The cognomen Khomyshin is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Khomyshin | Russia |
| Хомышин | Russia, Ukraine |