Cognomen Semper (Semper 
, سمبر 
, Земпер 
) , across the world, is quite a rare last name. The family name Semper is characteristic of Antigua and Barbuda, where it is quite a common surname, Trinidad and Tobago, where it is quite a rare surname, and Estonia. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Argentina. Much less frequently, Semper is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Semper | Argentina, Poland, United States, Austria, Germany |
| سمبر | Iran, Yemen, Iraq, Sudan, Egypt |
| Земпер | Ukraine, Russia |
| Senpre | Brazil |
Semel, Sempervive, Sempiterno, Sempiternus, Sempres, Simper, Sémper, and Šemper
| magdalena semper verrenaras 1607-02-13, ES (b. 1607) |
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| matheo semper sagastiverria 1611-05-03, ES (b. 1611) |
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| maria semper sagastiverri 1613-11-17, ES (b. 1613) |
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| ernst leberecht semper German writer (1722-1758), DE (b. 1722) |
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gottfried semper German architect (1803-1879), DE (b. 1803) |
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| christian gottfried emanuel semper PL (b. 1768) |
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karl gottfried semper German zoologist (1832-1893), DE (b. 1832) |
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georg semper German entomologist (1837-1909), DE (b. 1837) |
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| johann carl semper DE (b. 1796) |
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| wilhelm semper (b. 1805) |
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| otto semper German malacologist (1830-1907), DE (b. 1830) |
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| manfred semper German architect, DE (b. 1838) |
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johannes semper Estonian writer and politician (1892-1970), EE (b. 1892) |
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| hans semper art historian (1845–1920), DE (b. 1845) |
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| emanuel semper German sculptor, DE (b. 1848) |
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