Cognomen Cernko (Cernko 
) , globally, is a rare family name. The last name Cernko is habitual in Austria, where it is quite a rare surname, Slovenia, and Germany, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Cernko | Austria, Germany, Slovenia |
|
willibald cernko Austrian manager, AT (b. 1956) |
|
| leonard cernko AT (b. 1979) |
|