Cognomen Pečjak (Pečjak 
) , all over the world, is a very rare surname. The family name Pečjak is characteristic of Southern Europe, particularly Slovenia, where it is quite a rare surname, and Croatia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pečjak | Slovenia, Croatia |
|
gregorij pečjak SI (b. 1867) |
|
|
rudolf pečjak Slovene writer, poet and playwright (1891-1940), SI (b. 1891) |
|
|
vid pečjak Slovenian psychologist (1929-2016), SI (b. 1929) |
|
| andrej pečjak SI (b. 1957) |
|
|
| sonja pečjak SI (b. 1960) |
|
|
| sebastijan pečjak darts player (1976-2012), SI (b. 1976) |
|
|
| marko nemec-pečjak SI |
|