Family name Семук (Semuk 
, Семук 
) , in the world, is a very rare last name. The cognomen Семук is habitual in Eastern Europe, particularly Belarus, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Very seldom, Семук is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Semuk | India, Belarus |
| Семук | Ukraine, Russia, Belarus |