Cognomen Данко (Danko 
, Данко 
, Dancu 
) , around the world, is a common last name. The last name Данко is habitual in Slovakia, where it is quite a common surname, Hungary, and Bosnia and Herzegovina. Not in comparison with a country's population, it is the most numerous in Hungary, the United States, and Slovakia. Also, Данко is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Danko | Romania, Hungary, Slovakia, United States, Serbia |
| Данко | Ukraine, Kazakhstan, Bulgaria, Russia, Serbia |
| Dancu | Romania, Germany, Hungary, Canada, United States |
| Dankó | Austria, Germany, Hungary, United Kingdom, United States |
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дэнни данко American activist, RU (b. 1972) |
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| данко поповић Serbian writer, RS (b. 1928) |
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данко лазовић Serbian footballer, RS (b. 1983) |
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| данко роев Bulgarian association football player (1935-2008), BG (b. 1935) |
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| данко йорданов Bulgarian actor, BG (b. 1979) |
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| данко петро павлович Ukrainian military personnel, UA |
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| данко киковић Serbian footballer, RS (b. 1994) |
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Ада, Роза, Чобо, Янош, Ілля, Іван, Інна, Ігор, Юлия, Юлія, Юлій, Юдіт, Юрий, Юрій, Юліус, Мария, Марта, Марія, Алина, Аліна, Алёна, Антон, Ерік, Емма, Елла, Иван, Рац, Рая, Яна, Єва, Алла, Анна, Дана, Дар'Я, Даша, Діна, Аніта, Неля, Ніна, Вера, Віта, Віра, Леон, Леся, Люба, Олег, Илья, Инна, Нина, and Адель