Last name Ковачева (Kovacheva 
, Ковачева 
, Kovačeva) , in the world, is a common family name. The surname Ковачева is habitual in Bulgaria, where it is a common surname, North Macedonia, where it is quite a rare surname, and Greece, where it is a rare surname. Not in comparison with a country's population, it is commonest in Bulgaria, Russia, and Greece.
| VARIANT | COUNTRY |
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| Kovacheva | Greece, North Macedonia, Bulgaria, United States, United Kingdom |
| Ковачева | Kazakhstan, Russia, Ukraine, Bulgaria |
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лидия николаева ковачева BG (b. 1914) |
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| надя ковачева Bulgarian opera singer, BG (b. 1902) |
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| евгения ковачева Bulgarian pianist, BG (b. 1905) |
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нина ковачева French Bulgarian artist, BG (b. 1960) |
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| вяра ковачева Bulgarian actress (1926-2004), BG (b. 1926) |
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| лиляна ковачева Bulgarian actor, BG (b. 1948) |
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| лиляна ковачева Romani activist, BG (b. 1960) |
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| ефросина ковачева Bulgarian football player, BG (b. 1965) |
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| диана ковачева Bulgarian lawyer and politician, BG (b. 1975) |
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Мая, Нина, Нона, Ваня, Вера, Вида, Люба, Йова, Йота, Соня, Таня, Рада, Цана, Юлия, Юлія, Жечка, Мария, Марія, Милка, Митра, Ганна, Петра, Нели, Неда, Деша, Дена, Ана, Ади, Ася, Г-Ца, Зоя, Ива, Ида, Яна, Катя, Кина, Пенка, Мара, Мита, Алла, Анна, Били, Гана, Гена, Петя, Пена, Дар'Я, Дона, Мина, and Димка