Cognomen Štefanovič (Štefanovič 
, Штефанович 
) , across the world, is a rare family name. The surname Štefanovič is characteristic of Slovakia, where it is quite a rare surname, Ukraine, where it is a rare surname, and Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Štefanovič | Slovakia |
| Штефанович | Ukraine, Kazakhstan |
| pavol štefanovič SK (b. 1777) |
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miloš vladimír štefanovič SK (b. 1854) |
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| samuel dobroslav štefanovič SK (b. 1822) |
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| j. b. štefanovič SK (b. 1849) |
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| milan štefanovič Czechoslovak member of Czechoslovak parliament, lawyer and slovak nation politician, SK (b. 1927) |
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| ján štefanovič Slovak doctor, SK (b. 1928) |
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| karol štefanovič CZ (b. 1922) |
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| branko štefanovič researcher |
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