Family name Рудько (Rudko 
, Рудько 
, Rud'Ko ) , around the world, is quite a common cognomen. The last name Рудько is habitual in Belarus, where it is quite a common surname, Ukraine, where it is quite a rare surname, and Kazakhstan. Not in comparison with a country's population, it most frequently occurs in Eastern Europe, particularly Belarus, Ukraine, and Russia. Very seldom, Рудько is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rudko | Canada, Belarus, Poland, United States, Russia |
| Рудько | Ukraine, Kazakhstan, Belarus, Russia, Kyrgyzstan |
| Rud'Ko | Belarus |
| рудько сталіна павлівна Soviet Ukrainian costume artist, UA (b. 1930) |
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| рудько микола порфирович UA (b. 1925) |
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рудько, артур алексеевич Ukrainian footballer, UA (b. 1992) |
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| рудько, николай александрович Ukrainian scientist and diplomat, UA (b. 1947) |
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| рудько, георгий ильич Soviet and Ukrainian geographer, UA (b. 1952) |
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| рудько, валерий иванович Russian association football player (1960-2006), RU (b. 1960) |
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| рудько олександр олексійович UA (b. 1989) |
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Аня, Таня, Рита, Фаня, Ілля, Іван, Інна, Ігор, Юлия, Юлія, Егор, Юрий, Єгор, Костя, Мария, Марко, Марта, Марія, Марфа, Мирон, Алина, Юрій, Иван, Инна, Олег, Зоя, Яна, Єва, Марк, Алла, Анна, Адам, Гали, Петр, Дар'Я, Нина, Ніна, Вера, Вика, Вова, Влад, Віта, Віра, Леся, Люба, Люся, Алена, and Алеся