Cognomen Klokočovnik (Klokočovnik 
) , in the entire world, is a very rare family name. The cognomen Klokočovnik is habitual in Southern Europe, particularly Slovenia, where it is a rare surname, and Croatia.
| tomislav klokočovnik SI (b. 1956) |
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| vesna klokočovnik SI (b. 1981) |
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