Around the world, รัตนเดช (รัตนเดช 
, Rattanadej , Rattanadet 
) is a very rare male given name. The given name รัตนเดช is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare masculine name. More frequently, รัตนเดช is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| รัตนเดช, Rattanadej, Rattanadech | Thailand |
| Rattanadet | United States, Thailand |
Ratanadach, Ratanade, Ratanadech, Ratanadej, Ratanadet, Ratanadeth, Ratanadheb, Rattadech, Rattanadace, Rattanadach, Rattanadaech, Rattanadje, Rattnadech, and Ruttanadech