Surname Джангаев (Джангаев 
, Dzhangaev ) , in all the world, is a very rare cognomen. The family name Джангаев is habitual in Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Джангаев | Kazakhstan, Russia |
| Dzhangaev | Russia |