Surname ธัญอริยสิทธิ์ (ธัญอริยสิทธิ์ 
) , all over the world, is an extremely rare family name. The family name ธัญอริยสิทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธัญอริยสิทธิ์ | Thailand |