Cognomen โป๊ยเซียน (八仙 
, Poi Sian 
, Poysian 
) , around the world, is a very rare family name. The surname โป๊ยเซียน is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, โป๊ยเซียน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 八仙 | China |
| Poi Sian | Malaysia |
| Poysian | Thailand |