Cognomen Ковалёва (Kovaleva 
, Ковалёва 
, Kovalyova 
) , all over the world, is a common surname. The family name Ковалёва is habitual in Belarus, where it is quite a common surname, Kazakhstan, and Estonia. Not in comparison with a country's population, it most frequently occurs in Russia, Belarus, and Kazakhstan.
| VARIANT | COUNTRY |
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| Kovaleva | Belarus, United States, Russia, Uzbekistan, Estonia |
| Ковалёва | Kazakhstan, Moldova, Kyrgyzstan, Belarus, Russia |
| Kovalyova | Azerbaijan, Ukraine, Belarus, United States, Russia |
| Kovaljova | Germany, Ukraine, United Kingdom, Russia, Estonia |
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ковалёва, ольга кузьминична RU (b. 1899) |
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ковалёва, марина францевна Soviet actor (1923-2007), RU (b. 1923) |
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| ковалёва, ольга васильевна RU (b. 1881) |
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| ковалёва, евдокия ефимовна UA (b. 1902) |
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ковалёва, ирина владимировна Russian poet, RU (b. 1964) |
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| ковалёва, анна петровна Soviet actor (1919-1997), LV (b. 1919) |
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| ковалёва, татьяна петровна RU (b. 1912) |
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ковалёва, елена васильевна RU (b. 1963) |
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| ковалёва мария тимофеевна Belarusian linguist, BY (b. 1929) |
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| ковалёва, галина александровна Soviet opera singer and music educator (1932-1995), RU (b. 1932) |
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| ковалёва, маргарита николаевна Russian writer (1933-2013), RU (b. 1933) |
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| ковалёва, клавдия петровна UA (b. 1925) |
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| ковалёва, лариса сергеевна Russian actress, RU (b. 1935) |
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| ирина фёдоровна ковалёва UA (b. 1930) |
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| ковалёва, людмила валентиновна Russian ballet dancer, RU (b. 1940) |
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Аля, Нюта, Валя, Варя, Вера, Вика, Вита, Зина, Лана, Лада, Лена, Леся, Лера, Лина, Лиля, Лида, Лика, Лиза, Лора, Люба, Люда, Люся, Нина, Ника, Ната, Надя, Аня, Ася, Зоя, Оля, Ира, Ева, Рая, Яна, Юля, Катя, Лёля, Кира, Маша, Мила, Мира, Мэри, Алла, Анна, Галя, Поля, Даша, Дина, Майя, and Женя