Cognomen Русьян (Rusian 
, Rusjan 
, Rusyan 
) , around the world, is quite a rare last name. The surname Русьян is characteristic of Slovenia, where it is quite a common surname, Croatia, where it is a rare surname, and Malaysia. Not in comparison with a country's population, it is the most numerous in Indonesia, Slovenia, and Malaysia. Also, Русьян 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 |
| Русьян | Russia, Ukraine |
| русьян сергій сергійович association football player, UA (b. 1999) |
|