Family name Yewchuan (Yewchuan 
) , in the entire world, is an extremely rare last name. The surname Yewchuan is characteristic of South-eastern Asia, particularly Malaysia, where it is an extremely rare surname. Much more frequently, Yewchuan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yewchuan | Singapore, Malaysia |