Family name Chernoknizhnyy (Chernoknizhnyy 
, Чернокнижный 
) , in the entire world, is a rare cognomen. The surname Chernoknizhnyy is habitual in Kyrgyzstan, where it is a rare surname, Russia, where it is a very rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Chernoknizhnyy | Russia, United States |
| Чернокнижный | Kyrgyzstan, Kazakhstan, Russia, Ukraine |