Cognomen Oreskovic (Oreskovic 
, Orešković 
) , all around the world, is quite a rare last name. The last name Oreskovic is habitual in Southern Europe, particularly Croatia, where it is quite a common surname, Slovenia, where it is quite a rare surname, and Serbia. Measured by absolute frequency, it is the most numerous in Croatia, Germany, and Serbia.
| VARIANT | COUNTRY |
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| Oreskovic | Germany, Argentina, United States, Serbia, Croatia |
| Orešković | Slovenia, United States, Croatia |
Oreskovich, Oreškovic, Oreškovič, and Орешкович
| charlotte oreskovic prisoner in Theresienstadt Ghetto, b. 1886-12-02 (b. 1886) |
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phil oreskovic Canadian ice hockey player, CA (b. 1987) |
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| nicolas m. oreskovic researcher |
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| zrinka oreskovic researcher (ORCID 0000-0002-1361-2124) |
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| stjepan oreskovic Croatian researcher |
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