Surname Marchlewicz (Marchlewicz 
) , all around the world, is a rare cognomen. The cognomen Marchlewicz is habitual in Poland, where it is quite a rare surname, New Zealand, where it is a very rare surname, and the United States. Measured by absolute frequency, it is the most numerous in Poland, the United States, and the United Kingdom. Likewise, Marchlewicz is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Marchlewicz | United Kingdom, Poland, Canada, United States, France |
| bronisław marchlewicz PL (b. 1899) |
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| remigiusz marchlewicz Polish association football player, PL (b. 1956) |
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| mariola marchlewicz researcher, PL (b. 1960) |
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| krzysztof marchlewicz Polish historian, PL (b. 1971) |
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| ariel marchlewicz researcher ORCID ID = 0000-0003-4842-9722 |
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| elizabeth h marchlewicz researcher (ORCID 0000-0001-6023-0236) |
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| przemysław marchlewicz PL (b. 1978) |
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