Family name Krzyzaniak (Krzyzaniak 
) , in the entire world, is quite a rare last name. The family name Krzyzaniak is habitual in Poland, where it is quite a rare surname, France, where it is a rare surname, and Germany. Not in comparison with a country's population, this name is the most popular in Poland, the United States, and France. Likewise, Krzyzaniak is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Krzyzaniak | Germany, United States, Poland, France, Brazil |
Krzyżaniak, and Крзызаниак
| letícia maria krzyzaniak researcher ORCID ID = 0000-0002-1405-8751 |
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| marian krzyzaniak Ph.D. Massachusetts Institute of Technology 1959 |
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| yuko krzyzaniak researcher |
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| natalia krzyzaniak researcher |
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| justina krzyzaniak |
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| lukasz krzyzaniak |
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| halli krzyzaniak Canadian ice hockey player, CA (b. 1995) |
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