Family name Aleksiichuk (Aleksiichuk 
, Алексийчук 
) , in all the world, is a very rare cognomen. The surname Aleksiichuk is habitual in Estonia, where it is a rare surname, Ukraine, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Aleksiichuk | Ukraine, Estonia |
| Алексийчук | Kazakhstan, Russia, Ukraine |
Алексиичук, and Алексійчук