Surname Trivalairat (Trivalairat 
) , all around the world, is a very rare family name. The family name Trivalairat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Trivalairat | Thailand |
| poramad trivalairat Thai parasitologist, TH |
|
Bunyisa, Poramad, and Pooncharet