Surname Leśniowski (Leśniowski 
) , around the world, is a rare last name. The cognomen Leśniowski is characteristic of Eastern Europe, particularly Poland, where it is a rare surname.
| VARIANT | COUNTRY |
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| Leśniowski | Poland |
| antoni leśniowski Polish surgeon, PL (b. 1867) |
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| stanisław leśniowski PL (b. 1871) |
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| adam leśniowski PL (b. 1906) |
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mateusz leśniowski Polish sportsperson, PL (b. 1986) |
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| tomasz leśniowski Polish poet, PL (b. 1968) |
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| piotr leśniowski Polish speedway rider, PL (b. 1970) |
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