Family name Štefanec (Štefanec 
, Штефанец 
) , worldwide, is a rare surname. The family name Štefanec is characteristic of Croatia, where it is quite a common surname, Slovenia, where it is quite a rare surname, and Slovakia. Measured by absolute frequency, the name is most common in Croatia, Slovakia, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Štefanec | Croatia, Slovenia, Czechia, Slovakia |
| Штефанец | Kazakhstan, Russia, Ukraine |
| ján štefanec Czechoslovak architect (1903-1989), SK (b. 1903) |
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ivan štefanec Slovak MEP, SK (b. 1961) |
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| michal štefanec SK (b. 1920) |
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| franjo štefanec SI (b. 1922) |
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| štefan štefanec SK (b. 1944) |
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| nataša ribič štefanec Slovene painter, SI (b. 1963) |
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| vladimir p. štefanec Slovene writer, SI (b. 1964) |
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| dejan štefanec SI |
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| iztok štefanec SI |
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| tanja štefanec SI |
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| erih štefanec SI |
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| šimon štefanec association football player, SK (b. 1998) |
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Mia, Pavel, Pavol, Petra, Peter, Petar, Denis, Darko, David, Damir, Goran, Lovro, Janez, Jakub, Josip, Tanja, Neven, Erika, Vanja, Vesna, Vlado, Filip, Karlo, Borna, Anita, Antun, Ana, Jan, Noa, Ida, Maja, Mijo, Sara, Anka, Dino, Lara, Irena, Luka, Tino, Nada, Nora, Ivan, Ivka, Igor, Mario, Marko, Matej, Milan, Tomo, and Ivana