Cognomen Kupczyński (Kupczyński 
) , in the world, is a rare family name. The family name Kupczyński is habitual in Eastern Europe, particularly Poland, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kupczyński | Poland |
Kupczyk, and Kupczynski
|
aleksander kupczyński PL (b. 1873) |
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tadeusz kupczyński Polish historian (1885-1967), PL (b. 1885) |
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bronisław kupczyński Polish politician, PL (b. 1908) |
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| edward kupczyński Polish speedway rider, PL (b. 1929) |
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