Cognomen ยูนาน (ยูนาน 
) , around the world, is an extremely rare family name. The last name ยูนาน is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, ยูนาน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ยูนาน | Thailand |