Cognomen Siemens (Siemens 
, Сиеменс 
, סימנס 
) , globally, is a common surname. The last name Siemens is characteristic of British Virgin Islands, where it is quite a common surname, Paraguay, and Canada, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Germany, Paraguay, and Canada. Very seldom, Siemens is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siemens | Paraguay, Spain, Canada, United States, Germany |
| Сиеменс | Russia |
| סימנס | Israel |
| martin siemens (b. 1470) |
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| hans siemens (b. 1580) |
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| peter siemens (b. 1586) |
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| anna siemens (b. 1618) |
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| christoph siemens (b. 1626) |
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| hans siemens (b. 1628) |
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| stephan siemens (b. 1641) |
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| anna siemens (b. 1644) |
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| georg heinrich siemens (b. 1659) |
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| anna elisabeth siemens (b. 1659) |
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| hans henning siemens (b. 1667) |
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| henning johann siemens (b. 1670) |
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| georg andreas siemens (b. 1700) |
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| heinrich albrecht siemens (b. 1703) |
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| maria christina siemens (b. 1706) |
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