Family name Olejarz (Olejarz 
) , across the world, is quite a rare surname. The surname Olejarz is characteristic of Poland, where it is quite a rare surname, Ireland, where it is a rare surname, and France. Measured by absolute frequency, it most frequently occurs in Poland, the United States, and France. Likewise, Olejarz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olejarz | Poland, France, United States, United Kingdom, Germany |
|
ewa olejarz PL (b. 1974) |
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| michał olejarz researcher |
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| agnieszka olejarz researcher ORCID ID = 0000-0002-1466-0742 |
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| wioletta olejarz Polish pharmaceutical scientist |
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| jason olejarz researcher |
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| michal olejarz researcher |
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| artur olejarz Polish sportsperson and athletics competitor, PL (b. 1988) |
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