Surname รัตนเมธี (รัตนเมธี 
) , worldwide, is a very rare family name. The last name รัตนเมธี is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, รัตนเมธี is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| รัตนเมธี | Thailand |