Last name Viriyamettakul (Viriyamettakul 
) , in the world, is a very rare surname. The surname Viriyamettakul is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Viriyamettakul is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Viriyamettakul | Thailand, United States, China |