Family name Kohn (كون 
, Kohn 
, 科恩 
, along with others...) , globally, is a common last name. The family name Kohn is habitual in Luxembourg, where it is quite a common surname, Czechia, and Paraguay, where it is quite a rare surname. In absolute terms, it is the most numerous in the United States, Germany, and Czechia. Very seldom, Kohn is the forename as well as the last name.
| VARIANT | COUNTRY |
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| كون | Saudi Arabia, Sudan, Syria, Egypt, Iraq |
| Kohn | Germany, Czechia, United States, France, Brazil |
| 科恩 | China |
| コーン | Japan |
| Кон | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| august kohn German violinist and composer of the late Baroque to Classical transition era (b. 1732) |
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| salomon kohn DE (b. 1739) |
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abraham kohn Czech rabbi, CZ (b. 1807) |
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| margareta elisabeth kohn 14 Oct 1766 Badendorfer Heck, Zarpen, Schleswig-Holstein - 6 Mar 1826 Badendorfer Heck, Zarpen, Schleswig-Holstein (b. 1766) |
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josef kohn CZ (b. 1814) |
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jan pieter kohn LU (b. 1826) |
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theodor kohn Archbishop from Olomouc, AT (b. 1845) |
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leopold kohn CZ (b. 1838) |
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| jacob kohn (b. 1791) |
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| wilhelm kohn CZ (b. 1796) |
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gustav kohn Austrian mathematician, AT (b. 1859) |
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| michael lazar kohn rabbi (b. 1811) |
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david kohn Austrian painter, art writer and founder of an art academy in Vienna (1861-1922), AT (b. 1861) |
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franz kohn DE (b. 1857) |
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alfred kohn Czech biologist, CZ (b. 1867) |
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