Family name Vaiyavut (Vaiyavut 
) , across the world, is a very rare cognomen. The family name Vaiyavut is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, Vaiyavut is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vaiyavut | United States, Thailand |