Family name Kupper (Kupper 
, Куппер 
) , in the world, is quite a common surname. The family name Kupper is habitual in Switzerland, where it is quite a rare surname, Luxembourg, and Estonia. Measured by absolute frequency, the name is most common in Germany, the United States, and Switzerland. Very seldom, Kupper is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kupper | Brazil, Switzerland, United States, Germany, Poland |
| Куппер | Ukraine, Russia, Kazakhstan |
| lawrence v. kupper (b. 1864) |
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| walter kupper botanist (1874-1953), CH (b. 1874) |
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josef kupper Swiss chess player (1932-2017), CH (b. 1932) |
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| eugen kupper CH (b. 1877) |
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| annelies kupper singer, DE (b. 1906) |
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| august kupper (b. 1905) |
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| harold kupper (b. 1913) |
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| leo kupper Belgian composer (b. 1925) |
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| werner kupper German athletics competitor, DE (b. 1926) |
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| alfons kupper (b. 1917) |
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| jean-robert kupper BE (b. 1920) |
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| wacław kupper Polish politician, PL (b. 1930) |
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| milan kupper AT (b. 1924) |
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| lenčka kupper Austrian writer, AT (b. 1938) |
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| margarete kupper (b. 1930) |
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