Surname Kvasnyuk (Kvasnyuk 
) , all around the world, is a very rare last name. The surname Kvasnyuk is characteristic of Spain, where it is a very rare surname, Russia, and Ukraine, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Russia, Spain, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Kvasnyuk | Ukraine, France, Spain, Russia, United States |