Throughout the world, ธัธริยา (ธัธริยา 
) is a very rare epicene first name. The given name ธัธริยา is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare gender-neutral name.
| VARIANT | COUNTRY |
|---|---|
| ธัธริยา | Thailand |
ปัจจัยสมบูรณ์, and ธรรมรักษ์