Family name Исмаилбек (Исмаилбек 
) , in all the world, is a rare cognomen. The last name Исмаилбек is habitual in Kyrgyzstan, where it is quite a rare surname, and Russia, where it is an extremely rare surname. Also, Исмаилбек is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Исмаилбек | Kyrgyzstan, Kazakhstan, Russia |