Cognomen Korn (Korn 
, กร , กรณ์ , and others...) , in the world, is a common family name. The cognomen Korn is characteristic of Mongolia, where it is quite a common surname, Israel, and Germany. Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Israel. Very seldom, Korn is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Korn | Germany, Thailand, Poland, United States, Mongolia |
| กร, กรณ์ | Thailand |
| 科恩 | China |
| קורן | Israel |
| コーン | Japan |
| كورن | Iran |
| Корн | Kazakhstan, Ukraine, Belarus, Kyrgyzstan, Russia |
| daniel korn PL (b. 1640) |
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johann jakob korn German publisher, DE (b. 1702) |
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| christoph heinrich korn (b. 1688) |
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wilhelm gottlieb korn PL (b. 1739) |
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johann gottlieb korn PL (b. 1765) |
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| christoph heinrich korn German lawyer, Lieutenant, novelist and writer, DE (b. 1726) |
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| johan philip korn Swedish artist (1728-1796), SE (b. 1728) |
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wilhelmine korn (1786-1843), AT (b. 1786) |
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| johann friedrich korn (b. 1736) |
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| johann michael korn priest and pastor (b. 1754) |
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| maximilian korn (1782-1854), AT (b. 1782) |
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henrik frederik korn Danish police officer (1844-1895), DK (b. 1844) |
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| philipp korn DE (b. 1791) |
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| friedrich korn German writer (1803-1850), CZ (b. 1803) |
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| friedrich christian korn (1804-1881) (b. 1804) |
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