Surname Русян (Rusian 
, Rusjan 
, Rusyan 
) , in all the world, is quite a rare family name. The cognomen Русян is habitual in Slovenia, where it is quite a common surname, Croatia, where it is a rare surname, and Malaysia. In absolute terms, the name is most common in Indonesia, Slovenia, and Malaysia. Likewise, Русян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rusian | Indonesia, Malaysia, Tanzania, Poland, Argentina |
| Rusjan | Malaysia, United States, Poland, Argentina, Slovenia |
| Rusyan | India, Indonesia, Russia, Philippines |
| Русян | Armenia, Russia, Ukraine, Belarus |