Family name ไตรเดชธัญญ์นิธิ (ไตรเดชธัญญ์นิธิ 
) , in all the world, is an extremely rare last name. The surname ไตรเดชธัญญ์นิธิ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ไตรเดชธัญญ์นิธิ | Thailand |