Family name Кусмамбетов (Кусмамбетов 
) , in the world, is a very rare cognomen. The cognomen Кусмамбетов is habitual in Central Asia, particularly Kazakhstan, where it is a rare surname. Much less frequently, Кусмамбетов is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кусмамбетов | Kazakhstan |