Cognomen เตจ (Tet 
, เตจ 
) , around the globe, is quite a common last name. The surname เตจ is characteristic of Malaysia, where it is quite a rare surname, Myanmar, and Morocco. Not in comparison with a country's population, it is the most numerous in South-eastern Asia, particularly Malaysia, Myanmar, and Indonesia. Also, เตจ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tet | Romania, Myanmar, Morocco, Indonesia, Malaysia |
| เตจ | Thailand |