Surname Касеинов (Касеинов 
) , in the entire world, is a rare cognomen. The cognomen Касеинов is habitual in Kyrgyzstan, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Russia, where it is an extremely rare surname. Much less frequently, Касеинов is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Касеинов | Kyrgyzstan, Kazakhstan, Russia |
|
касеинов, дюсен курабаевич RU (b. 1947) |
|