Around the globe, รัตน์ดนัย (รัตน์ดนัย 
) is a very rare male first name. The first name รัตน์ดนัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare boy's name. Much less frequently, รัตน์ดนัย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| รัตน์ดนัย | Thailand |