Surname Portnova (Portnova 
) , all around the world, is a rare cognomen. The surname Portnova is habitual in Northern Europe, particularly Estonia, where it is quite a rare surname, Latvia, and Lithuania, where it is a rare surname. In absolute terms, it is the most numerous in Russia, Uzbekistan, and the United States.
| VARIANT | COUNTRY |
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| Portnova | Estonia, Uzbekistan, Russia, United States, Latvia |
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tetiana portnova (b. 1981) |
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| galina v portnova researcher (ORCID 0000-0001-7814-0482) |
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| alexandra a portnova researcher ORCID ID = 0000-0003-3658-5293 |
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| anna portnova researcher |
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| oksana valerevna portnova RU (b. 1975) |
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| angelina portnova Kazakhstani footballer |
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Ms, Darya, Dasha, Diana, Jamie, Julia, Tania, Tanya, Nadya, Niina, Noeme, Elena, Hanna, Irina, Olena, Oxana, Yulia, Yulya, Marina, Mariya, Stella, Alexis, Daria, Rimma, Raisa, Katya, Ann, Alla, Anah, Anna, Chad, Bina, Bill, Dean, Lena, Lina, Bloria, Vera, Olga, Yana, Zoya, Maria, Sofya, Scott, Alena, Alina, Arina, Boris, Inna, and Karina