Surname Курмушев (Курмушев 
) , in all the world, is a rare cognomen. The cognomen Курмушев is habitual in Azerbaijan, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Kazakhstan, where it is a very rare surname. Measured by absolute frequency, the name is most common in Azerbaijan, Kyrgyzstan, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Курмушев | Azerbaijan, Kyrgyzstan, Kazakhstan, Russia |