Family name Гладкий (Гладкий 
, Gladky 
, Gladkiy 
, along with others...) , across the world, is a common surname. The surname Гладкий is habitual in Eastern Europe, particularly Ukraine, where it is quite a common surname, Belarus, and Russia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Гладкий | Azerbaijan, Russia, Belarus, Kazakhstan, Ukraine |
| Gladky | Russia, Argentina, Ukraine, Israel, United States |
| Gladkiy | Russia, Belarus, Ukraine, United States, Norway |
| Gladkij | Lithuania, Ukraine |
| Gladkii | Belarus, Russia, Ukraine |
| гладкий, матвей иванович UA (b. 1610) |
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осип михайлович гладкий last Kosh otaman of Danubian Sich, UA (b. 1789) |
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гладкий гриць UA (b. 1893) |
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| гладкий гордій павлович UA (b. 1849) |
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гладкий, алексей петрович UA (b. 1912) |
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гладкий, юрий никифорович Soviet economist, RU (b. 1943) |
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| гладкий павло UA (b. 1885) |
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| иосиф адамович гладкий BY (b. 1890) |
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| гладкий петро дмитрович UA (b. 1890) |
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| гладкий, яков лукьянович UA (b. 1900) |
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| гладкий микола дмитрович UA (b. 1904) |
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олексій олексійович гладкий UA (b. 1957) |
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| гладкий, сергей фëдорович Soviet metallurgist, UA (b. 1929) |
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| гладкий, иван иванович Soviet politician (1930-2001), UA (b. 1930) |
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александр николаевич гладкий Ukrainian footballer, UA (b. 1987) |
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Ян, Яков, Ілля, Іван, Ігор, Юрий, Юрій, Єгор, Карим, Костя, Макар, Мария, Марко, Марат, Мирон, Антон, Артем, Артур, Артём, Арсен, Борис, Ганна, Яків, Яніс, Улян, Стас, Кім, Зоя, Лев, Юра, Коля, Макс, Марк, Миша, Анна, Глеб, Павло, Паша, Петя, Ваня, Вася, Вова, Влад, Олег, Илья, Иван, Егор, Саша, Петр, and Павел