Cognomen Gronkiewicz (Gronkiewicz 
) , across the world, is a rare surname. The surname Gronkiewicz is habitual in Poland, where it is quite a rare surname, Denmark, where it is a very rare surname, and Norway. Not in comparison with a country's population, this name is the most popular in Poland, the United States, and Germany. Also, Gronkiewicz is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Gronkiewicz | Poland, United States, United Kingdom, Denmark, Germany |
| jan gronkiewicz Polish trade unionist, PL (b. 1898) |
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| grzegorz gronkiewicz Polish sportsperson, PL (b. 1965) |
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| zuzanna gronkiewicz researcher |
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| kacper gronkiewicz Polish cyclist, PL (b. 1993) |
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