Surname Medvedchuk (Medvedchuk 
) , worldwide, is a very rare family name. The cognomen Medvedchuk is characteristic of Lithuania, where it is a rare surname, Belarus, and Spain, where it is a very rare surname. In absolute terms, it is commonest in Spain, Belarus, and Russia. Very seldom, Medvedchuk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Medvedchuk | China, Russia, Spain, Belarus, Ukraine |