Surname Petkova (Petkova 
, Петкова 
, פטקובה 
) , all over the world, is a common cognomen. The family name Petkova is characteristic of Bulgaria, where it is a widespread surname, North Macedonia, where it is quite a common surname, and Malta, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in Bulgaria, Russia, and Greece.
| VARIANT | COUNTRY |
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| Petkova | Bulgaria, Greece, United States, North Macedonia, Slovakia |
| Петкова | Moldova, Kazakhstan, Bulgaria, Russia, Ukraine |
| פטקובה | Israel |
| Петькова | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |
| mara petkova (b. 1916) |
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eliza petkova Bulgarian film director, BG (b. 1983) |
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| borislava petkova badminton player, BG (b. 1978) |
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| neviana i. petkova Ph.D. University of Michigan 2009 |
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| zhana y petkova researcher |
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| nadezhda petkova researcher |
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| milena petkova researcher |
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| tihomira d petkova researcher ORCID ID = 0000-0001-6616-8429 |
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| maria petkova Ph. D. Humboldt-Universität zu Berlin 2009 |
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| pavlina petkova badminton player, BG (b. 1980) |
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| elisaveta petkova researcher, ORCID id # 0000-0003-3620-3232 |
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| nevena i petkova researcher |
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| valentina petkova researcher ORCID ID = 0000-0002-6938-1054 |
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| kunka petkova researcher |
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| stefka b. petkova researcher |
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