Family name Костаулетова (Костаулетова 
) , in all the world, is a very rare last name. The last name Костаулетова is habitual in Kazakhstan, where it is a rare surname, and Russia, where it is an extremely rare surname. Much less frequently, Костаулетова is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Костаулетова | Kazakhstan, Russia |