In all the world, รัตทยา (รัตทยา 
) is a very rare unisex forename. The forename รัตทยา is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare unisex name. Much less frequently, รัตทยา is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| รัตทยา | Thailand |