Cognomen Kusza (Kusza 
) , globally, is a rare surname. The cognomen Kusza is characteristic of Slovakia, where it is a rare surname, Poland, and Germany, where it is a very rare surname. In absolute terms, it most frequently occurs in Poland, Germany, and the United States. Likewise, Kusza is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kusza | Poland, France, Slovakia, United States, Germany |
| marian kusza Polish historian, PL (b. 1915) |
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| krzysztof bronisław kusza Polish physician, PL (b. 1955) |
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| grzegorz kusza researcher ORCID ID = 0000-0003-4329-8700 |
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| mathieu kusza French official |
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| szilvia kusza researcher |
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