Family name Krupski (Krupski 
, Kupski 
, Крупский 
) , worldwide, is quite a common last name. The last name Krupski is habitual in Eastern Europe, particularly Belarus, where it is quite a common surname, Poland, where it is quite a rare surname, and Ukraine. In absolute terms, it most frequently occurs in Eastern Europe, particularly Poland, Russia, and Belarus. Likewise, Krupski is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Krupski | United States, Afghanistan, Poland, Germany, Brazil |
| Kupski | United States, Poland, Germany, Canada, Brazil |
| Крупский | Ukraine, Russia, Belarus, Kazakhstan |
| Крупський | Ukraine, Russia |
| jerzy krupski Polish diplomat, PL (b. 1472) |
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| krzysztof krupski (b. 1520) |
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| jan nepomucen krupski PL (b. 1799) |
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| julian krupski UA (b. 1871) |
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| antoni krupski Swiss university teacher (1889-1948), CH (b. 1889) |
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| tadeusz krupski PL (b. 1888) |
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| czesław krupski (b. 1889) |
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janusz krupski Polish activist, PL (b. 1951) |
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| ottomar krupski (b. 1893) |
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| konrad krupski (b. 1895) |
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marion weichelt krupski Swiss diplomat, CH (b. 1964) |
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| mikołaj krupski Polish manager (1919-2018), PL (b. 1919) |
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| jan krupski Polish painter, mountain rescuer, PL (b. 1924) |
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marek krupski actor, PL (b. 1974) |
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piotr krupski PL (b. 1972) |
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