Last name Fivchuk (Fivchuk 
, Фивчук 
) , around the world, is a very rare surname. The surname Fivchuk is characteristic of Russia, where it is a very rare surname, Canada, where it is an extremely rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Fivchuk | Canada, Russia |
| Фивчук | Russia, Ukraine |