Cognomen Grzeszczyk (Grzeszczyk 
) , all over the world, is quite a rare surname. The family name Grzeszczyk is habitual in Poland, where it is quite a rare surname, Uruguay, where it is a rare surname, and Czechia. Measured by absolute frequency, this name is the most popular in Poland, the United States, and Germany. More frequently, Grzeszczyk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grzeszczyk | Germany, Poland, United Kingdom, United States, Uruguay |
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szczepan grzeszczyk Polish sportsperson (1901-1967), US (b. 1901) |
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| władysław grzeszczyk (b. 1935) |
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| herman grzeszczyk (b. 1940) |
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| stefania grzeszczyk PL (b. 1950) |
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| maciej grzeszczyk (b. 1968) |
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| magdalena grzeszczyk researcher ORCID ID = 0000-0001-6861-3098, PL |
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| stefania grzeszczyk researcher |
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| barbara grzeszczyk researcher (ORCID 0000-0002-1354-896X) |
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| łukasz grzeszczyk Polish footballer, PL (b. 1987) |
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