Cognomen Баирачныи (Баирачныи 
) , throughout the world, is an extremely rare last name. The family name Баирачныи is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Баирачныи | Russia |
Bairachnyi, Bairatchnyi, and Bayrachnyy