Family name Postruznik (Postruznik 
) , around the globe, is a very rare last name. The last name Postruznik is habitual in Slovenia, where it is quite a rare surname, Austria, where it is a rare surname, and Germany, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Postruznik | Austria, Germany, Slovenia |
| magdalena postruznik researcher |
|