Last name Ержанқызы (Ержанқызы 
) , in all the world, is an extremely rare family name. The cognomen Ержанқызы is characteristic of Central Asia, particularly Kazakhstan, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ержанқызы | Kazakhstan |
Erzhankyzy, and Yerzhankyzy