Cognomen Wangjungwad (Wangjungwad 
) , all over the world, is a very rare last name. The surname Wangjungwad is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wangjungwad | Thailand |
Prapun, Nareenat, and Nalattawan