Family name Kwanyuen (Kwanyuen 
) , all around the world, is a rare surname. The surname Kwanyuen is characteristic of Thailand, where it is a rare surname, Sweden, and New Zealand, where it is a very rare surname. In absolute terms, it is commonest in Thailand, Sweden, and the United States. Also, Kwanyuen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kwanyuen | New Zealand, Thailand, United States, Sweden |