Family name Jarosiewicz (Jarosiewicz 
) , around the world, is quite a rare last name. The last name Jarosiewicz is characteristic of Poland, where it is quite a rare surname, Canada, where it is a very rare surname, and the United States. Not in comparison with a country's population, this name is the most popular in Poland, the United States, and Germany. Likewise, Jarosiewicz is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Jarosiewicz | Germany, Canada, France, Poland, United States |
| jadwiga maria jarosiewicz (b. 1952) |
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| andrzej jarosiewicz PL (b. 1966) |
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| anna jarosiewicz Polish engineer |
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| paweł jarosiewicz Polish researcher, PL |
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| monika jarosiewicz Polish biochemist and researcher, PL |
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| beata jarosiewicz researcher |
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| tobiasz jarosiewicz researcher (ORCID 0000-0002-0341-4300) |
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| łukasz jarosiewicz Polish association football player, PL (b. 1981) |
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| andrzej jarosiewicz |
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| piotr jarosiewicz Polish handball player, PL (b. 1998) |
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