Cognomen Kusmierz (Kusmierz 
) , in all the world, is quite a rare family name. The family name Kusmierz is characteristic of Poland, where it is quite a rare surname, Germany, where it is a rare surname, and the United States, where it is a very rare surname. More frequently, Kusmierz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kusmierz | Germany, Canada, United Kingdom, United States, Poland |
| helena kusmierz Polish Righteous Among the Nations, PL (b. 1927) |
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| caroline d kusmierz researcher |
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| katrin kusmierz CH (b. 1972) |
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