Cognomen Kaczmar (Kaczmar 
) , in the entire world, is quite a rare last name. The last name Kaczmar is habitual in Poland, where it is quite a rare surname, France, where it is a rare surname, and Canada. In absolute terms, it is commonest in Poland, the United States, and France. Likewise, Kaczmar is the forename as well as the last name.
| antonina kaczmar PL (b. 1896) |
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anna kaczmar Polish sportsperson, PL (b. 1985) |
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| jacek kaczmar PL (b. 1951) |
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| katarzyna kaczmar badminton player, PL (b. 1969) |
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| ewa kaczmar researcher (ORCID 0000-0002-2817-6126) |
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