Cognomen Osolnik (Osolnik 
) , in the entire world, is a rare family name. The cognomen Osolnik is habitual in Slovenia, where it is quite a common surname, Germany, where it is a very rare surname, and Australia. Measured by absolute frequency, this name is the most popular in Slovenia, Germany, and the United States.
| VARIANT | COUNTRY |
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| Osolnik | Germany, Australia, Slovenia, Canada, United States |
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vladimir osolnik SI (b. 1948) |
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| jasna dokl osolnik SI (b. 1964) |
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| katarina osolnik SI |
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| boris osolnik SI |
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| urša osolnik SI |
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| janez osolnik SI |
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| niko osolnik SI |
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Mr, David, Lidia, Tadej, Hilde, Frank, Sabina, Sharon, Sophie, Ksenja, Polona, Gorazd, Joseph, Joshua, Joanna, Jernej, Tjaša, Neshia, Maureen, Michael, Barbara, Brianne, Dejan, Gašper, Roman, Mitja, Ms, Rok, Lea, Jan, Jon, Maja, Sara, Sasa, Cara, Paul, Ralf, Gaã, Jure, Tina, Tjaã, Niko, Nina, Nejc, Marko, Matic, Matej, Aleš, and Courtney