Family name Mikhadyuk (Михадюк 
, Mikhadyuk 
) , in the entire world, is a rare cognomen. The last name Mikhadyuk is characteristic of Belarus, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Михадюк | Kazakhstan, Russia, Ukraine, Belarus |
| Mikhadyuk | Russia, United States, Belarus |