Surname Sero (Sero 
, Cero 
, Серо 
) , in the world, is quite a common family name. The cognomen Sero is characteristic of Bosnia and Herzegovina, where it is quite a common surname, Benin, where it is quite a rare surname, and Philippines. Measured by absolute frequency, it most frequently occurs in Philippines, Indonesia, and Bosnia and Herzegovina. Likewise, Sero is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sero | India, Indonesia, Philippines, Bosnia and Herzegovina, Ethiopia |
| Cero | India, Spain, Indonesia, Philippines, Bosnia and Herzegovina |
| Серо | Ukraine, Russia |
| carlos alegre sero Spanish politician, ES (b. 1945) |
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| jimi sero Finnish bass guitarist, FI |
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| dzemila sero researcher ORCID ID = 0000-0002-0090-745X |
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| julia e sero researcher |
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