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