Family name Tchernyi (Черный 
, Чёрный , Tchernyi 
) , in the world, is a common surname. The cognomen Tchernyi is characteristic of Eastern Europe, particularly Belarus, where it is quite a common surname, Moldova, where it is quite a rare surname, and Russia. In absolute terms, it is the most numerous in Russia, Belarus, and Kazakhstan. Much less frequently, Tchernyi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Чёрный, Черный | Moldova, Ukraine, Kazakhstan, Belarus, Russia |
| Tchernyi | United States, Argentina, South Africa, Canada |
| viktor tchernyi chess player (b. 1941) |
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| alexej tchernyi (b. 1976) |
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