Cognomen Yatchuk (Yatchuk 
) , in the world, is a very rare family name. The cognomen Yatchuk is habitual in Poland, where it is a very rare surname, Kazakhstan, and the United States, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in the United States, Poland, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Yatchuk | Ukraine, Canada, Poland, Russia, United States |