Family name Кошмаганбетова (Кошмаганбетова 
) , in the world, is a very rare surname. The cognomen Кошмаганбетова is characteristic of Central Asia, particularly Kazakhstan, where it is a rare surname. Very seldom, Кошмаганбетова is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кошмаганбетова | Kazakhstan |