Last name Cohn (كون 
, 科恩 
, Cohn 
, along with others...) , throughout the world, is a common surname. The last name Cohn is habitual in Israel, where it is a widespread surname, the United States, where it is quite a rare surname, and Uruguay. Measured by absolute frequency, it is the most numerous in Israel, the United States, and Germany. Very seldom, Cohn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| كون | Saudi Arabia, Sudan, Syria, Egypt, Iraq |
| 科恩 | China |
| Cohn | Germany, Australia, United States, Canada, Brazil |
| コーン | Japan |
| Кон | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| כהן | Israel |
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albert cohn French scholar (1814-1877), FR (b. 1814) |
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ferdinand julius cohn German biologist (1828-1898), PL (b. 1828) |
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emil cohn German publisher, DE (b. 1832) |
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hermann ludwig cohn German ophthalmologist (1838-1906), PL (b. 1838) |
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georg cohn German legal historian, DE (b. 1845) |
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max cohn German legal historian, NL (b. 1848) |
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maksymilian cohn Polish surgeon, PL (b. 1850) |
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emil cohn German physicist (1854-1944), DE (b. 1854) |
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| s. cohn Dutch scientific instrument maker (b. 1808) |
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rudolf cohn Professor of Internal Medicine and Pharmacology at the Albertus University of Königsberg (1862-1938), PL (b. 1862) |
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| moritz von cohn German banker, DE (b. 1812) |
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| josef cohn German physician, PL (b. 1815) |
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alfred cohn Danish actor and film director (1867-1932), DK (b. 1867) |
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| eduard cohn (b. 1808) |
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| salomon cohn rabbi from Germany, PL (b. 1822) |
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