Cognomen Korpak (Korpak 
) , across the world, is a rare last name. The last name Korpak is habitual in Croatia, where it is quite a rare surname, Poland, where it is a rare surname, and Ireland. Measured by absolute frequency, it is commonest in Poland, India, and Germany. Likewise, Korpak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Korpak | Poland, United States, Croatia, India, Germany |
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szymon korpak Roman Catholic priest, UA (b. 1880) |
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| jan korpak (b. 1888) |
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józef korpak Polish politician and deputy, PL (b. 1961) |
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| adam korpak Finnish illustrator (b. 1936) |
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| anna korpak Ph.D. University of Washington 2016 |
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