Cognomen Teršek (Teršek 
) , around the world, is a very rare surname. The family name Teršek 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 |
|---|---|
| Teršek | Slovenia, Croatia |
| andraž teršek SI (b. 1975) |
|
|
| blaž teršek SI |
|