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 | Malaysia, Poland, Tanzania, Argentina, Indonesia |
| Rusjan | Malaysia, Poland, Argentina, Slovenia, United States |
| Rusyan | Philippines, Russia, India, Indonesia |
| Русьян | Russia, Ukraine |
| русьян сергій сергійович association football player, UA (b. 1999) |
|