Around the globe, รัตนาธร (Rathathorn 
, Rattanyathorn , รัตนาธร) is an extremely rare unknown gender forename.
| VARIANT | COUNTRY |
|---|---|
| Rattanyathorn, Rathathorn | Thailand |
Ratanarathorn, Ratnaratorn, Rattanathon, Rattanathorn, Rattanatorn, Rattanothon, Rattanothorn, Ratthanatorn, and Ruttanatorn