Cognomen Бернацкиы (Бернацкиы 
) , around the world, is an extremely rare last name. The cognomen Бернацкиы is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Бернацкиы | Russia |
Bernackiy, Bernatskiy, and Bernatskyy