Cognomen Mordej (Mordej 
) , worldwide, is a very rare family name. The cognomen Mordej is characteristic of Southern Europe, particularly Slovenia, where it is a rare surname, and Croatia.
| VARIANT | COUNTRY |
|---|---|
| Mordej | Slovenia, Croatia |
| rok mordej footballer, SI (b. 1989) |
|
|
| alen mordej SI (b. 1990) |
|