Cognomen Будаева (Будаева 
, Budaeva 
, Boudaeva 
) , all around the world, is quite a common surname. The last name Будаева is habitual in Russia, where it is quite a rare surname, Georgia, and Kazakhstan. Measured by absolute frequency, it is commonest in Russia, Kazakhstan, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Будаева | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Budaeva | China, Russia, Georgia, United States, Greece |
| Boudaeva | Canada |
| Budayeva | Greece, Russia, United States |
| эржена будаева RU (b. 1962) |
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| будаева, виталия сергеевна Ukrainian association football player, UA (b. 1998) |
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