Family name Boudaev (Будаев 
, Boudaev 
) , worldwide, is quite a common surname. The family name Boudaev is characteristic of Russia, where it is quite a rare surname, Azerbaijan, and Belarus. In absolute terms, the name is most common in Russia, Azerbaijan, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Будаев | Azerbaijan, Kazakhstan, Russia, Kyrgyzstan, Belarus |
| Boudaev | United States |