Cognomen Poznysh (Poznysh 
, Позныш 
) , across the world, is a very rare surname. The cognomen Poznysh is characteristic of Eastern Europe, particularly Belarus, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Poznysh | Russia |
| Позныш | Russia, Belarus |