Family name เยา-เวน (เยา-เวน 
) , in the entire world, is an extremely rare last name. The cognomen เยา-เวน is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Parts of the name also exists independently as a first name เยา, and a first name เวน.
| VARIANT | COUNTRY |
|---|---|
| เยา-เวน | Thailand |