Last name เตชวงศ์สุวรรณ (เตชวงศ์สุวรรณ 
) , throughout the world, is a very rare surname. The surname เตชวงศ์สุวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| เตชวงศ์สุวรรณ | Thailand |