Cognomen Cherniavski (Cherniavski 
) , in the world, is a very rare last name. The surname Cherniavski is characteristic of Georgia, where it is a rare surname, New Zealand, where it is a very rare surname, and Israel. Measured by absolute frequency, this name is the most popular in Georgia, Canada, and New Zealand.
| VARIANT | COUNTRY |
|---|---|
| Cherniavski | Georgia, Chile, United States, Canada, New Zealand |
Черниавски, Чернйавски, and Чернявскй