Cognomen Chernusky (Chernusky 
, Чернуский 
) , across the world, is a very rare family name. The cognomen Chernusky is characteristic of Russia, where it is a very rare surname, Canada, where it is an extremely rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Chernusky | Canada |
| Чернуский | Russia, Ukraine |