Family name Samanchuk (Samanchuk 
) , in all the world, is a very rare surname. The cognomen Samanchuk is habitual in Czechia, where it is a rare surname, Italy, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Samanchuk | Ukraine, Italy, Czechia, United States, Russia |