Surname Szuman (Szuman 
, Schuman 
) , all over the world, is quite a common cognomen. The cognomen Szuman is habitual in Luxembourg, where it is quite a rare surname, Netherlands, and the United States. Measured by absolute frequency, it most frequently occurs in the United States, Poland, and Netherlands. Much less frequently, Szuman is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Szuman | Germany, Canada, France, Poland, United States |
| Schuman | France, Poland, United States, Netherlands, Democratic Republic of the Congo |
| henryk szuman PL (b. 1822) |
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| kazimierz szuman PL (b. 1826) |
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stefan szuman Polish educator, psychologist and medical doctor, PL (b. 1889) |
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| leon szuman PL (b. 1852) |
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| władysław szuman PL (b. 1868) |
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| henryk antoni szuman PL (b. 1882) |
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| wanda szuman PL (b. 1890) |
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| witold szuman Polish engineer and scientist, PL (b. 1908) |
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| ziemowit szuman PL (b. 1901) |
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| leszek szuman PL (b. 1903) |
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| izabela szuman researcher, ORCID id # 0000-0002-8355-9648 |
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| grabriela szuman researcher |
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| remigiusz szuman |
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