Cognomen Portz (Portz 
) , in all the world, is quite a rare surname. The last name Portz is habitual in Germany, where it is quite a rare surname, Netherlands, where it is a rare surname, and the United States. Measured by absolute frequency, it is the most numerous in Germany, the United States, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Portz | Germany, United States, Canada, France, Brazil |
| hans portz DE (b. 1860) |
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rolf portz German aviator, DE (b. 1940) |
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| yves le portz French bank manager, FR (b. 1920) |
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| geoff portz British professional wrestler (1934-2016), GB (b. 1934) |
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| frank edgar portz German politician, DE (b. 1943) |
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| louis le portz FR (b. 1940) |
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| willi portz German politician, DE (b. 1951) |
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| hubert portz DE (b. 1949) |
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| franck portz French politician, FR (b. 1964) |
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| v. portz researcher ORCID ID = 0000-0002-8819-6436 |
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| jennifer dickman portz researcher |
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| c.j. portz college basketball player (2008–2008) UC-Davis |
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| bede portz researcher |
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| kristian portz |
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| davin portz ice dancer, CA (b. 1996) |
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