Surname Korchagina (Корчагина 
, Korchagina 
) , throughout the world, is a common family name. The cognomen Korchagina is habitual in Russia, where it is quite a common surname, Kazakhstan, where it is quite a rare surname, and Kyrgyzstan. In absolute terms, it is commonest in Russia, Kazakhstan, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Корчагина | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Korchagina | Germany, Russia, Czechia, Georgia, United States |
| nadezhda sergeevna korchagina RU (b. 1975) |
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| elena vasilyevna korchagina |
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| viktoria korchagina chess player (b. 1992) |
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| alena korchagina chess player |
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Ms, Julia, Tania, Tanya, Elena, Irina, Iryna, Oxana, Yulia, Marina, Sofiya, Alyona, Karina, Ksenia, Polina, Galina, Galyna, Larisa, Lyubov, Tamara, Natali, Nataly, Lilia, Dasha, Darya, Daria, Ann, Ira, Alla, Anna, Kate, Lena, Vika, Vera, Inga, Inna, Nastya, Olga, Zoya, Maria, Masha, Misha, Sveta, Alena, Alina, Aaena, Katia, Katya, Yana, and Oksana