Surname เตชะเวช (เตชะเวช 
, Tejavej 
) , in all the world, is a very rare last name. The surname เตชะเวช is characteristic of Thailand, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| เตชะเวช | Thailand |
| Tejavej | Canada, United States, Thailand |