Cognomen Нетбаев (Нетбаев 
) , across the world, is a very rare family name. The last name Нетбаев is habitual in Kazakhstan, where it is a rare surname, Belarus, where it is a very rare surname, and Kyrgyzstan. Measured by absolute frequency, it most frequently occurs in Kazakhstan, Belarus, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Нетбаев | Kyrgyzstan, Kazakhstan, Russia, Belarus |