Surname Uyarnontruk (Uyarnontruk 
) , across the world, is a rare family name. The cognomen Uyarnontruk is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Uyarnontruk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uyarnontruk | Thailand |