Cognomen Sujjun (Суйун 
, Sujjun 
) , in the world, is quite a rare family name. The cognomen Sujjun is habitual in Kyrgyzstan, where it is quite a common surname, and Russia, where it is an extremely rare surname. Also, Sujjun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Суйун | Kyrgyzstan, Kazakhstan, Russia |
| Sujjun | India |