Surname Karničar (Karničar 
) , throughout the world, is a very rare cognomen. The surname Karničar is characteristic of Southern Europe, particularly Slovenia, where it is quite a rare surname, and Croatia, where it is a rare surname.
| VARIANT | COUNTRY |
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| Karničar | Croatia, Slovenia |
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davo karničar Slovenian mountain climber, SI (b. 1962) |
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| ludvik karničar AT (b. 1949) |
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| luka karničar SI (b. 1956) |
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| anja karničar SI |
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| katarina karničar SI |
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