Cognomen Райков (Raykov 
, Rajkov 
, Райков 
) , in the entire world, is a common family name. The surname Райков is habitual in Bulgaria, where it is a common surname, Serbia, where it is quite a common surname, and Russia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Raykov | Greece, Bulgaria, United States, Russia, Germany |
| Rajkov | Brazil, North Macedonia, Serbia, United States, Germany |
| Райков | Bulgaria, Russia, Kazakhstan, Ukraine, Belarus |
| Raikov | Greece, Bulgaria, Afghanistan, United States, Russia |
| пенчо райков BG (b. 1864) |
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| райков, борис евгеньевич Russian biologist, RU (b. 1880) |
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райков, геннадий иванович Russian politician, RU (b. 1939) |
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| иван райков BG (b. 1883) |
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| райков, дмитрий абрамович Russian mathematician, UA (b. 1905) |
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марин райков Bulgarian diplomat and politician, BG (b. 1960) |
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| веселин райков BG (b. 1912) |
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| райков, анатолий иванович UA (b. 1924) |
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| райков, евгений тихонович Russian actor, singer and opera singer, RU (b. 1937) |
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симеон райков Bulgarian footballer, BG (b. 1989) |
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| игорь борисович райков RU (b. 1932) |
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| кирил райков Bulgarian association football player (1944-), BG (b. 1944) |
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| владимир леонидович райков RU (b. 1934) |
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| божидар райков BG (b. 1939) |
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| георги райков Bulgarian wrestler (1953-2006), BG (b. 1953) |
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Юра, Юрий, Юрій, Петър, Кирил, Кунчо, Марин, Марія, Ангел, Антон, Артем, Артур, Артём, Бончо, Борис, Галин, Ганна, Гриша, Павло, Павел, Петро, Петко, Юлий, Данил, Ігор, Ілля, Марк, Глеб, Петр, Дима, Димо, Дидо, Диян, Нено, Ваня, Вася, Влад, Віта, Олег, Илья, Илия, Иван, Егор, Спас, Стас, Стою, Яков, Іван, and Дамир