Family name Rybenchuk (Rybenchuk 
, Рибенчук 
) , throughout the world, is a rare last name. The surname Rybenchuk is characteristic of Ukraine, where it is a rare surname, Russia, where it is a very rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rybenchuk | Canada |
| Рибенчук | Ukraine, Russia |