Cognomen Khmarin (Khmarin 
, Хмарин 
) , all around the world, is a rare last name. The cognomen Khmarin is habitual in Russia, where it is a rare surname, Kazakhstan, and Ukraine, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khmarin | Russia, United States |
| Хмарин | Russia, Kazakhstan, Ukraine |