Last name วาจาหวาน (วาจาหวาน 
) , globally, is a rare family name. The surname วาจาหวาน is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, วาจาหวาน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วาจาหวาน | Thailand |