Family name Будаев (Будаев 
, Budaev 
, Budayev 
) , all around the world, is quite a common cognomen. The family name Будаев is habitual in Russia, where it is quite a rare surname, Azerbaijan, and Belarus. Not in comparison with a country's population, this name is the most popular in Russia, Azerbaijan, and Kazakhstan.
| VARIANT | COUNTRY |
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| Будаев | Kazakhstan, Belarus, Kyrgyzstan, Azerbaijan, Russia |
| Budaev | Lithuania, Kazakhstan, China, Belarus, Russia |
| Budayev | New Zealand, Russia, Israel, United States |
| будаев, осор дугарович Soviet painter, RU (b. 1886) |
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будаев, андрей владимирович RU (b. 1960) |
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| будаев, дмитрий иванович RU (b. 1923) |
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| будаев, борис дугданович Uzbekistani amateur wrestler, RU (b. 1957) |
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| будаев, андрей николаевич Russian painter (1963-2019), RU (b. 1963) |
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| будаев, александр нимбуевич RU (b. 1959) |
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| анатолий петрович будаев Belarusian association football player (1969-2013), BY (b. 1969) |
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| будаев, эдуард владимирович Russian linguist, RU (b. 1978) |
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| вячеслав петрович будаев researcher, RU |
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