Surname Tchorna (Чорна 
, Tchorna 
) , all around the world, is a common cognomen. The surname Tchorna is habitual in Eastern Europe, particularly Ukraine, where it is quite a common surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Чорна | Ukraine, Russia, Kazakhstan |
| Tchorna | United States, Peru |