Family name Chuaen (Chuaen 
) , in the world, is a very rare last name. The last name Chuaen is characteristic of South-eastern Asia, particularly Malaysia, where it is a very rare surname. Very seldom, Chuaen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chuaen | Thailand, Malaysia |