Last name หยาน (Yan 
, หยาน 
) , throughout the world, is a prevalent surname. The last name หยาน is characteristic of Myanmar, where it is a widespread surname, Cayman Islands, where it is a common surname, and Hong Kong (explore the name in all countries). In absolute terms, this name is the most popular in China, Myanmar, and Malaysia. Very seldom, หยาน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yan | Indonesia, China, Malaysia, Myanmar, Mongolia |
| หยาน | Thailand |