Last name Юнан (Yunan 
, Iunan 
, Юнан 
) , globally, is quite a common cognomen. The surname Юнан is characteristic of South-eastern Asia, particularly Malaysia, where it is quite a rare surname, Indonesia, and Singapore, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Indonesia, Malaysia, and Egypt. More frequently, Юнан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yunan | China, Indonesia, Malaysia, Taiwan, Myanmar |
| Iunan | China, Georgia, India, France, Brazil |
| Юнан | Kazakhstan, Russia, Ukraine |