Cognomen Kashnitskiy (Kashnitskiy, Кашницкий 
) , worldwide, is a very rare surname. The surname Kashnitskiy is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Кашницкий | Russia, Ukraine |
Кашнитский, and Кашницький