Last name Slapernik (Slapernik 
) , around the globe, is a very rare cognomen. The last name Slapernik is habitual in Southern Europe, particularly Slovenia, where it is a rare surname, and Croatia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Slapernik | Slovenia, Croatia |
|
rajko slapernik (b. 1896) |
|
| darja slapernik SI |
|