Cognomen Борсук (Borsuk 
, Борсук 
) , globally, is quite a common last name. The cognomen Борсук is characteristic of Eastern Europe, particularly Ukraine, where it is quite a rare surname, Belarus, and Poland. Measured by absolute frequency, it is commonest in Eastern Europe, particularly Ukraine, Russia, and Poland. Much less frequently, Борсук is the forename as well as the last name.
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| Borsuk | Slovakia, Brazil, Poland, United States, Israel |
| Борсук | Ukraine, Kazakhstan, Belarus, Russia, Kyrgyzstan |
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борсук, анжела Israeli chess player, UA (b. 1967) |
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| владимир моисеевич борсук Soviet mine builder, Hero of of Socialist Labour (1924-), UA (b. 1924) |
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борсук ігор ігорович association football player, UA (b. 1983) |
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борсук андрій ігорович association football player, UA (b. 1985) |
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| анатолий фёдорович борсук RU (b. 1930) |
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| борсук микола олександрович politician, UA (b. 1947) |
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| борсук людмила леонидовна Belarusian athlete, BY (b. 1952) |
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| борсук наталия васильевна Ukrainian choreographer, UA (b. 1964) |
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| борсук іван іванович Ukrainian military personnel (1986-2018), UA (b. 1986) |
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| борсук іван михайлович UA (b. 1993) |
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Мая, Илья, Инна, Иван, Егор, Сава, Саша, Рада, Роза, Рита, Ріта, Яків, Яким, Эмма, Ілля, Іван, Інга, Інна, Ігор, Юлия, Юлія, Юрий, Олег, Ляля, Лора, Леся, Ада, Ася, Зоя, Яна, Іра, Єва, Майя, Міла, Алла, Анна, Юрій, Адам, Дар'Я, Діна, Неля, Нина, Ніна, Ніла, Вера, Віта, Віра, Лана, Петр, and Єгор