Family name Dzvinchuk (Dzvinchuk 
, Дзвинчук 
) , in the world, is a very rare surname. The surname Dzvinchuk is habitual in Portugal, where it is a very rare surname, Russia, and Ukraine, where it is an extremely rare surname. In absolute terms, it is the most numerous in Russia, Portugal, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Dzvinchuk | United States, Portugal, Ukraine |
| Дзвинчук | Russia, Ukraine |