Surname Йунян (Junyan 
, Iunian 
, Junjan 
) , all around the world, is a rare family name. The family name Йунян is characteristic of Romania, where it is quite a rare surname, Hong Kong, where it is a rare surname, and Hungary. In absolute terms, it most frequently occurs in Romania, China, and Malaysia. More prevalently, Йунян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Junyan | Malaysia, China, Indonesia, United States, Taiwan |
| Iunian | Romania, India, United States |
| Junjan | Thailand, Philippines, Romania, Canada, India |
| Йунян | Russia |