Cognomen Биртаева (Биртаева 
) , in the world, is a very rare surname. The cognomen Биртаева is habitual in Kazakhstan, where it is a rare surname, and Russia, where it is an extremely rare surname. Very seldom, Биртаева is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Биртаева | Kazakhstan, Russia |