Family name Budniy (Будный 
, Будний , Budniy 
) , around the world, is a rare surname. The family name Budniy is characteristic of Eastern Europe, particularly Belarus, where it is a rare surname, Ukraine, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Будный | Russia, Ukraine, Kazakhstan, Belarus |
| Будний | Russia, Kazakhstan, Ukraine |
| Budniy | Brazil, United States, Ukraine |