Surname วงศ์วัฒน (วงศ์วัฒน 
) , worldwide, is an extremely rare last name. The family name วงศ์วัฒน is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, วงศ์วัฒน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วงศ์วัฒน | Thailand |