Family name Koszyk (Koszyk 
) , all around the world, is quite a rare cognomen. The last name Koszyk is characteristic of Poland, where it is quite a rare surname, Germany, where it is a rare surname, and France, where it is a very rare surname. In absolute terms, it most frequently occurs in Poland, the United States, and Germany. More frequently, Koszyk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koszyk | Australia, Germany, France, Poland, United States |
| szymon koszyk Polish writer, PL (b. 1891) |
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| kurt koszyk German media historian, DE (b. 1929) |
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| andrzej j. koszyk (b. 1940) |
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| eugeniusz koszyk Polish Righteous Among the Nations, PL |
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| rafał koszyk Polish sportsperson and athletics competitor, PL (b. 1989) |
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