Cognomen Termpitayavej (Termpitayavej 
) , in all the world, is a very rare last name. The surname Termpitayavej is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Termpitayavej | Thailand |
Nipit, Teethut, and Patsawasdved