Family name Chornei (Chornei 
, Чорней 
) , in the world, is quite a rare surname. The cognomen Chornei is habitual in Ukraine, where it is quite a rare surname, Lithuania, where it is a rare surname, and Russia, where it is a very rare surname. In absolute terms, it is the most numerous in Ukraine, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Chornei | Russia, Lithuania, United States, Italy, India |
| Чорней | Russia, Ukraine, Kazakhstan |