Surname วุ้น (Wun 
, Agar 
, Agarat 
) , across the world, is a common last name. The last name วุ้น is characteristic of Hong Kong, where it is quite a common surname, Malaysia, and Myanmar, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Myanmar, Malaysia, and the United Kingdom. Likewise, วุ้น is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wun | United Kingdom, Myanmar, Taiwan, Malaysia, India |
| Agar | United Kingdom, Myanmar, United States, Malaysia, India |
| Agarat | Thailand, Nigeria, United States, India, France |