Cognomen Mekhnin (Mekhnin 
, Мехнин 
) , worldwide, is a rare last name. The family name Mekhnin is characteristic of Kazakhstan, where it is a rare surname, Romania, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mekhnin | Russia, Israel |
| Мехнин | Romania, Russia, Kazakhstan |