Family name เตชสุวงศ์วรรณ (เตชสุวงศ์วรรณ 
) , in the world, is a very rare last name. The cognomen เตชสุวงศ์วรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| เตชสุวงศ์วรรณ | Thailand |