Surname Strmčnik (Strmčnik 
) , across the world, is a very rare family name. The cognomen Strmčnik is habitual in Southern Europe, particularly Slovenia, where it is quite a rare surname, and Croatia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Strmčnik | Croatia, Slovenia |
| maks strmčnik SI (b. 1948) |
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| dušan strmčnik SI (b. 1960) |
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| gregor strmčnik SI (b. 1965) |
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| stanko strmčnik SI |
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| dušan strmčnik SI |
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| judita strmčnik SI |
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| france strmčnik SI |
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| boštjan strmčnik SI |
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| ervin strmčnik SI |
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