Last name Wan Yan (Wan Yan 
) , in the entire world, is a very rare family name. The surname Wan Yan is habitual in Malaysia, where it is a very rare surname, and South Africa, where it is an extremely rare surname. More frequently, Wan Yan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wan Yan | Malaysia, Singapore, China, South Africa |