Family name Mikhnyuk (Михнюк 
, Mikhnyuk 
) , in the entire world, is quite a rare cognomen. The family name Mikhnyuk is habitual in Eastern Europe, particularly Belarus, where it is quite a common surname, Ukraine, where it is quite a rare surname, and Russia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Михнюк | Russia, Kazakhstan, Ukraine, Belarus |
| Mikhnyuk | Russia, United States, Belarus |