Last name Bereznoi (Bereznoi 
, Berezhnoi 
, Березной 
) , throughout the world, is a rare family name. The last name Bereznoi is habitual in Estonia, where it is quite a rare surname, Russia, where it is a rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Bereznoi | Estonia, Russia, Germany |
| Berezhnoi | Kazakhstan, Belarus, Estonia, Russia, Ukraine |
| Березной | Kyrgyzstan, Russia, Kazakhstan, Ukraine |