Cognomen Ysup (Исуп 
, Ысуп , Ysup 
) , all over the world, is an extremely rare last name. The cognomen Ysup is characteristic of Central Asia, particularly Kazakhstan, where it is a very rare surname. Much more prevalently, Ysup is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Исуп | Kazakhstan, Russia, Kyrgyzstan |
| Ысуп | Russia |
| Ysup | Russia, India |