Surname Бувашев (Бувашев 
) , in all the world, is a rare cognomen. The last name Бувашев is habitual in Central Asia, particularly Uzbekistan, where it is a rare surname, Kyrgyzstan, and Kazakhstan, where it is a very rare surname. Measured by absolute frequency, it is commonest in Uzbekistan, Kyrgyzstan, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Бувашев | Kyrgyzstan, Russia, Uzbekistan, Kazakhstan |