Surname Бертаева (Бертаева 
, Bertaeva 
) , all around the world, is a rare cognomen. The family name Бертаева is habitual in Kazakhstan, where it is quite a rare surname, Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Бертаева is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Бертаева | Kazakhstan, Russia |
| Bertaeva | Kazakhstan, Russia, United States |