Cognomen Kčira-Fideršek (Kčira-Fideršek 
) , all around the world, is an extremely rare surname. The family name Kčira-Fideršek is habitual in Southern Europe, particularly Croatia, where it is a very rare surname. Parts of the name also exists independently as a last name Kčira, and a last name Fideršek.
| VARIANT | COUNTRY |
|---|---|
| Kčira-Fideršek | Croatia |