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 | Malaysia, Tanzania, Indonesia, Argentina, Poland |
| Rusjan | Slovenia, Malaysia, Argentina, United States, Poland |
| Rusyan | Russia, India, Indonesia, Philippines |
| Русян | Belarus, Russia, Ukraine, Armenia |