Family name Uengsuwat (Uengsuwat 
) , across the world, is a very rare last name. The cognomen Uengsuwat is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Uengsuwat | Thailand |
Tanapon, Atthawat, Charinda, and Yuphaphorn