Cognomen Блажевич (Блажевич 
, Blazhevich 
, Blažević 
) , all over the world, is a common surname. The family name Блажевич is characteristic of Croatia, where it is a common surname, Bosnia and Herzegovina, where it is quite a common surname, and Moldova. Not in comparison with a country's population, it most frequently occurs in Croatia, Russia, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Блажевич | Azerbaijan, Belarus, Ukraine, Russia, Moldova |
| Blazhevich | Belarus, Peru, Russia, United States, Lithuania |
| Blažević | Montenegro, Bosnia and Herzegovina, Serbia, Austria, Croatia |
| Blazhevych | Ukraine |
Blajevich, Blajevitch, Blazewicz, Blaževič, and Блажэвіч
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блажевич, иван иванович Soviet politician (1903-1945), LT (b. 1903) |
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| ольга михайловна блажевич (b. 1850) |
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| блажевич, митрофан викторович politician, RU (b. 1869) |
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| блажевич, владислав михайлович Russian musician and composer, RU (b. 1881) |
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| блажевич, иосиф францевич BY (b. 1891) |
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блажевич юрій іванович UA (b. 1947) |
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| блажевич, леонид антонович LV (b. 1921) |
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Зоя, Юрий, Юрис, Юрій, Єгор, Мария, Марія, Мінна, Алина, Аліна, Антон, Арина, Артем, Артур, Борис, Ганна, Павло, Павел, Петро, Данил, Дарья, Денис, Юлія, Юлия, Ігор, Інна, Яна, Миша, Алла, Анна, Гоша, Петр, Діна, Нина, Ніна, Вера, Диана, Віта, Женя, Олег, Илья, Илга, Инна, Иван, Егор, Янек, Ілля, Іван, Віра, and Надія