Family name Robnik (Robnik 
) , in all the world, is a rare cognomen. The cognomen Robnik is habitual in Slovenia, where it is quite a common surname, Austria, where it is quite a rare surname, and Croatia, where it is a rare surname. Measured by absolute frequency, it is commonest in Slovenia, Austria, and the United States.
| VARIANT | COUNTRY |
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| Robnik | Austria, Germany, United States, Slovenia, Croatia |
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ivan robnik SI (b. 1877) |
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petra robnik Slovenian alpine skier, SI (b. 1984) |
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tina robnik Slovene alpine skier, SI (b. 1991) |
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| marko robnik Slovene physicist, SI (b. 1954) |
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| vojko robnik SI (b. 1952) |
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| alojz robnik SI (b. 1958) |
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| drehli robnik AT (b. 1967) |
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| drehli robnik (b. 1967) |
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| gorazd robnik ski jumper and Nordic combined skier, SI (b. 1978) |
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| luka robnik Slovenian ski jumper |
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| mateja robnik Slovenian alpine skier, SI (b. 1987) |
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| lidija robnik SI |
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| ana robnik SI |
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| petrischa robnik SI |
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| blaž robnik SI |
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Mr, Igor, Marko, Matic, Milan, Mirta, Allen, Anita, Cathy, Craig, Boris, Karen, Petra, Peter, Roman, Denis, Diane, Domen, Grega, Lydia, Janja, Jason, Ivan, Erik, Nejc, Nina, Ms, Ana, Amy, Pat, Don, Liu, Joy, Mary, Matt, Miha, Jakob, Sara, Adam, Chad, Boã, Robi, Lara, Lisa, Luka, John, Tina, Nika, Ales, and Josip