Family name Trivittayawat (Trivittayawat 
) , globally, is a very rare last name. The family name Trivittayawat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Trivittayawat | Thailand |
Preeyanan, Yongsuwat, and Sutthiphot