Cognomen Banaszak (Banaszak 
) , in all the world, is quite a common family name. The last name Banaszak is characteristic of Poland, where it is quite a rare surname, Germany, where it is a rare surname, and Ireland. Not in comparison with a country's population, it most frequently occurs in Poland, the United States, and Germany. Also, Banaszak is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Banaszak | United Kingdom, United States, Germany, Poland, France |
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edward banaszak Colonel of the Polish Army, PL (b. 1892) |
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| wojciech banaszak PL (b. 1868) |
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| antoni banaszak PL (b. 1881) |
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john banaszak American football player and coach, baseball coach (born 1950), US (b. 1950) |
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bogusław banaszak Polish jurist (1955-2018), PL (b. 1955) |
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jerzy banaszak Polish association football player, PL (b. 1956) |
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| antoni banaszak (b. 1901) |
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| ludwik banaszak PL (b. 1901) |
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anastazia teresa banaszak Australian scientist, AU (b. 1963) |
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greg banaszak American saxophonist, US (b. 1966) |
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maciej banaszak Polish politician, PL (b. 1975) |
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| marian banaszak Polish historian, PL (b. 1926) |
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marcin banaszak Polish skydiver, PL |
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felix banaszak German politician, DE (b. 1989) |
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| pete banaszak American football player, US (b. 1944) |
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