Cognomen Dadabayev (Дадабаев 
, Dadabayev 
) , all around the world, is quite a rare surname. The surname Dadabayev is habitual in Kyrgyzstan, where it is quite a common surname, Azerbaijan, where it is quite a rare surname, and Tajikistan. In absolute terms, it is commonest in Kyrgyzstan, Russia, and Uzbekistan.
| VARIANT | COUNTRY |
|---|---|
| Дадабаев | Azerbaijan, Kazakhstan, Uzbekistan, Russia, Kyrgyzstan |
| Dadabayev | Kyrgyzstan, Uzbekistan, Russia, United States |
| rustam dadabayev Uzbek footballer, UZ (b. 1982) |
|