Surname Slemensek (Slemensek 
) , in the world, is a rare family name. The last name Slemensek is habitual in Slovenia, where it is quite a common surname, Austria, where it is a rare surname, and the United Kingdom, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Slemensek | United Kingdom, Austria, United States, Slovenia |
| leonie slemensek German association football player, DE (b. 1996) |
|