Cognomen Sera (Sera 
, セラ 
, Сера 
) , around the world, is a common family name. The family name Sera is characteristic of Lesotho, where it is quite a common surname, Hungary, where it is quite a rare surname, and Botswana. Not in comparison with a country's population, it most frequently occurs in India, Indonesia, and Nigeria. Also, Sera is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sera | South Korea, India, Nigeria, Indonesia, Fiji |
| セラ | Japan |
| Сера | Kazakhstan, Kyrgyzstan, Russia, Ukraine |
| Сэра | Russia |
| francesc sera (b. 1648) |
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| shūzō sera (b. 1835) |
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| gioacchino sera IT (b. 1878) |
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| akiyoshi sera Japanese bass singer (b. 1928) |
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| madam sera (b. 1942) |
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| gió di sera IT (b. 1964) |
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| toshihiro sera researcher |
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| yasushi sera researcher (ORCID 0000-0001-8949-346X) |
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| francesco sera researcher |
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| martin sera Dr. rer. nat. Bergische Universität Wuppertal 2015 |
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| ian sera actor |
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| dezso sera researcher ORCID id 0000-0001-9050-2423 |
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| fusako sera researcher |
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| takashi sera researcher (ORCID 0000-0003-0931-5909) |
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| leah sera researcher ORCID ID = 0000-0002-1923-6721 |
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