Last name ต้นไม้ทอง (ต้นไม้ทอง, Tonmaithong 
) , across the world, is an extremely rare family name. The cognomen ต้นไม้ทอง is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tonmaithong | Thailand |