Surname Thaiyong (Thaiyong 
) , across the world, is an extremely rare family name. The cognomen Thaiyong is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Very seldom, Thaiyong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thaiyong | Thailand, Philippines |