Cognomen Bonczek (Bonczek 
) , in the world, is a rare family name. The surname Bonczek is characteristic of Bahamas, where it is quite a rare surname, Czechia, and Germany, where it is a rare surname. Measured by absolute frequency, it is the most numerous in the United States, Germany, and Czechia. Also, Bonczek is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bonczek | Germany, Czechia, Spain, United States, Poland |
| alojzy bonczek (b. 1865) |
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| robert h. bonczek Ph.D. Purdue University 1976 |
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| ondrej bonczek researcher |
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