Surname วงศ์ธวัชชัย (วงศ์ธวัชชัย 
, Wongtawatchai , Vongthawatchai ) , throughout the world, is a very rare family name. The last name วงศ์ธวัชชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, วงศ์ธวัชชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wongtawatchai, Vongthawatchai, วงศ์ธวัชชัย, Wongthawatchai | Thailand |