Surname Tchornei (Чорней 
, Tchornei 
) , globally, is quite a rare cognomen. The surname Tchornei is habitual in Ukraine, where it is quite a rare surname, Russia, where it is a very rare surname, and Kazakhstan. In absolute terms, it is commonest in Ukraine, Russia, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Чорней | Kazakhstan, Ukraine, Russia |
| Tchornei | Brazil |