Cognomen Witczak (Witczak 
) , in the world, is quite a common surname. The surname Witczak is characteristic of Poland, where it is quite a common surname, Ireland, where it is a rare surname, and Bahrain. Measured by absolute frequency, it is commonest in Poland, the United States, and Germany. Likewise, Witczak is the forename as well as the last name.
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| Witczak | Germany, Poland, Brazil, United States, France |
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józef witczak Officer of the Polish Army (1900-1987), PL (b. 1900) |
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mikołaj witczak PL (b. 1896) |
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| mikołaj witczak PL (b. 1857) |
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| stanisław witczak PL (b. 1882) |
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stefan witczak PL (b. 1948) |
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marek witczak (b. 1953) |
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| franciszek witczak Polish zoologist, PL (b. 1921) |
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mariusz witczak Polish politician and deputy, PL (b. 1971) |
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anna witczak Polish sportsperson, PL (b. 1982) |
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dominik witczak Polish volleyball player, PL (b. 1983) |
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| tadeusz witczak (b. 1927) |
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dominik witczak (b. 1978) |
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| władysław witczak Polish cardiologist, PL (b. 1941) |
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| zbigniew j. witczak researcher ORCID ID = 0000-0003-3310-6808 (b. 1947) |
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| kazimierz witczak PL (b. 1940) |
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