Last name Postružnik (Postružnik 
) , globally, is a very rare cognomen. The last name Postružnik is habitual in Southern Europe, particularly Slovenia, where it is a rare surname, and Croatia.
| VARIANT | COUNTRY |
|---|---|
| Postružnik | Croatia, Slovenia |
| oton postružnik Croatian painter (1900-1978), SI (b. 1900) |
|
|
| bojan postružnik Slovenian archer, SI (b. 1952) |
|
|
| natalie c. postružnik SI |
|
|
| vesna postružnik SI |
|