Cognomen Asenov (Asenov 
, Асенов 
) , in all the world, is a common family name. The cognomen Asenov is characteristic of Bulgaria, where it is a common surname, Greece, where it is quite a rare surname, and Azerbaijan. Not in comparison with a country's population, the name is most common in Bulgaria, Greece, and Kazakhstan. Much less frequently, Asenov is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Asenov | Spain, Bulgaria, Greece, Germany, Afghanistan |
| Асенов | Kazakhstan, Bulgaria, Kyrgyzstan, Azerbaijan, Russia |
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asen asenov Bulgarian scientist and entrepreneur in the field of microelectronics (b. 1954) |
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| vojmir asenov (b. 1939) |
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| borislav asenov Bulgarian bicycle racer, BG (b. 1959) |
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| stefan asenov Bulgarian modern pentathlete, BG (b. 1972) |
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| yavor asenov researcher (ORCID 0000-0002-4005-5570) |
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| asen asenov actor |
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| arman asenov |
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