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 | Indonesia, China, Malaysia, Taiwan, United States |
| Iunian | India, Romania, United States |
| Junjan | Romania, Philippines, Thailand, India, Canada |
| Йунян | Russia |